Now that AOL has linked ICQ and AIM, you can add ICQ users to your iChat buddy list. Go to your Address Book and add your buddy’s ICQ number, not alias, to the AIM field in address book. Then open iChat AV and choose to add them. Your Buddy must be using the newest ICQ Lite that supports this.

Now you can see them go on and offline, and vice versa for them. In iChat AV, it’s completely seamless, you just see buddies, not protocols or instant messanger icons.

This may work with iChat 1.0 but I haven’t tested i