It works with RemoteBuddy.
IREmulator + RemoteControl with Bluetooth dongle + Wiimote + RemoteBuddy.
It's a cool combination for ATV and worked Perfect except volume Control. Bluetooth connection reaches a lot wider than IR. And wiimote is more compotable than tiny apple remote.
Remotebuddy fully supports Wiimote. So you can Using applescript with Remotebuddy, made ATV actions and assign them to wiimote. I made 6 actions (Play, Menu, +-. left,Right).
All my applescript is below
-- do shell command "/path/RemoteControl X"
(X is 0 to 5)