diff --git a/src/data/mod.rs b/src/data/mod.rs
index 18ecc55..1e5a2c2 100644
--- a/src/data/mod.rs
+++ b/src/data/mod.rs
@@ -1,9 +1,10 @@
 //! Data related to IRC functionality.
 #![unstable]
 
+pub use data::command::Command;
 pub use data::config::Config;
 pub use data::message::Message;
-pub use data::command::Command;
+pub use data::user::User;
 
 pub mod kinds {
     //! Trait definitions of appropriate Writers and Buffers for use with this library.
@@ -26,3 +27,4 @@ pub mod kinds {
 pub mod command;
 pub mod config;
 pub mod message;
+pub mod user;
diff --git a/src/data/user.rs b/src/data/user.rs
new file mode 100644
index 0000000..a566e95
--- /dev/null
+++ b/src/data/user.rs
@@ -0,0 +1,63 @@
+//! Data for tracking user information.
+use std::from_str::FromStr;
+
+/// IRC User data.
+#[deriving(PartialEq, Clone, Show)]
+pub struct User {
+    /// The user's nickname.
+    name: String,
+    /// The user's access level.
+    access_level: AccessLevel,
+}
+
+impl User {
+    /// Creates a new User.
+    pub fn new(name: &str) -> User {
+        let rank = from_str(name);
+        User {
+            name: if let Some(Member) = rank {
+                name.into_string()
+            } else {
+                name[1..].into_string()
+            },
+            access_level: rank.unwrap(),
+        }
+    }
+}
+
+///
+#[deriving(PartialEq, Clone, Show)]
+pub enum AccessLevel {
+    /// The channel owner (~).
+    Owner,
+    /// A channel administrator (&).
+    Admin,
+    /// A channel operator (@),
+    Oper,
+    /// A channel half-oper (%),
+    HalfOp,
+    /// A user with voice (+),
+    Voice,
+    /// A normal user,
+    Member,
+}
+
+impl FromStr for AccessLevel {
+    fn from_str(s: &str) -> Option<AccessLevel> {
+        if s.len() == 0 { None } else {
+            Some(match s.char_at(0) {
+                '~' => Owner,
+                '&' => Admin,
+                '@' => Oper,
+                '%' => HalfOp,
+                '+' => Voice,
+                 _  => Member,
+            })
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+
+}
diff --git a/src/server/mod.rs b/src/server/mod.rs
index 16e56c9..ace0dc7 100644
--- a/src/server/mod.rs
+++ b/src/server/mod.rs
@@ -1,11 +1,14 @@
 //! Interface for working with IRC Servers
 #![experimental]
+use std::collections::HashMap;
 use std::io::{BufferedStream, IoResult};
+use std::sync::Mutex;
 use conn::{Connection, NetStream};
 use data::command::{Command, JOIN, PONG};
 use data::config::Config;
 use data::kinds::IrcStream;
 use data::message::Message;
+use data::user::User;
 
 pub mod utils;
 
@@ -26,7 +29,9 @@ pub struct IrcServer<'a, T> where T: IrcStream {
     /// The thread-safe IRC connection.
     conn: Connection<T>,
     /// The configuration used with this connection.
-    config: Config
+    config: Config,
+    /// A thread-safe map of channels to the list of users in them.
+    chanlists: Mutex<HashMap<String, Vec<User>>>,
 }
 
 impl<'a> IrcServer<'a, BufferedStream<NetStream>> {
@@ -39,7 +44,7 @@ impl<'a> IrcServer<'a, BufferedStream<NetStream>> {
         } else {
             Connection::connect(config.server[], config.port)
         });
-        Ok(IrcServer { config: config, conn: conn })
+        Ok(IrcServer { config: config, conn: conn, chanlists: Mutex::new(HashMap::new()) })
     }
 
     /// Creates a new IRC server connection from the specified configuration, connecting immediately.
@@ -50,7 +55,7 @@ impl<'a> IrcServer<'a, BufferedStream<NetStream>> {
         } else {
             Connection::connect(config.server[], config.port)
         });
-        Ok(IrcServer { config: config, conn: conn })
+        Ok(IrcServer { config: config, conn: conn, chanlists: Mutex::new(HashMap::new()) })
     }
 }
 
@@ -72,10 +77,7 @@ impl<'a, T> IrcServer<'a, T> where T: IrcStream {
     /// Creates an IRC server from the specified configuration, and any arbitrary Connection.
     #[experimental]
     pub fn from_connection(config: Config, conn: Connection<T>) -> IrcServer<'a, T> {
-        IrcServer {
-            conn: conn,
-            config: config
-        }
+        IrcServer { conn: conn, config: config, chanlists: Mutex::new(HashMap::new()) }
     }
 
     /// Gets a reference to the IRC server's connection.
@@ -92,7 +94,39 @@ impl<'a, T> IrcServer<'a, T> where T: IrcStream {
             for chan in self.config.channels.iter() {
                 self.send(JOIN(chan[], None)).unwrap();
             }
-        }
+        } /* FIXME: it's not really clear why this stuff is broken. 
+        else if message.command[] == "353" { // /NAMES
+            if let Some(users) = message.suffix.clone() {
+                if let [_, _, ref chan] = message.args[] {
+                    for user in users.split_str(" ") {
+                        if match self.chanlists.lock().get_mut(chan) {
+                            Some(vec) => { vec.push(User::new(user)); false },
+                            None => true,
+                        } {
+                            self.chanlists.lock().insert(chan.clone(), vec!(User::new(user)));
+                        }
+                    }
+                }
+            }
+        } else if message.command[] == "JOIN" || message.command[] == "PART" {
+            let chan = match message.suffix {
+                Some(ref suffix) => suffix[],
+                None => message.args[0][],
+            };
+            if let Some(vec) = self.chanlists.lock().get_mut(&String::from_str(chan)) {
+                if let Some(ref source) = message.suffix {
+                    if let Some(i) = source.find('!') {
+                        if message.command[] == "JOIN" {
+                            vec.push(User::new(source[..i]));
+                        } else {
+                            if let Some(n) = vec.as_slice().position_elem(&User::new(source[..i])) {
+                                vec.swap_remove(n);
+                            }
+                        }
+                    }
+                }
+            }
+        } */
         /* TODO: implement more message handling */
     }
 }