BlackBerry users worldwide should now be able to take advantage of 2 of the biggest IM services available worldwide (Well, at least they both were the biggest at some point in time!).
AIM and ICQ instant messengers are now available worldwide for the BlackBerry. AOL email will also reportedly be available. Some reports have noted that some carriers aren’t up to snuff just quite yet, so you may encounter some errors. It looks like the only carrier that has AIM and ICQ working flawlessly at the moment is Verizon.
You can get the messaging clients from BlackBerry at: www.blackberry.com/instantmessaging
Or get each one directly at:
Read the Official Press Release for more details and install instructions.