Wirelessly posted (8700g)
Welcome to the group, Andrew.
Whether to update is your call. Sometimes there are new features. If you follow the forum you will learn of a new version before you hear about it anywhere else. (See the stickies at the top of the 8100 forum.)
I don't know what you saw when you thought you were being prompted to upgrade the OS. See http://blackberryfaq.com/index.php/H..._BlackBerry%3F