Yep, did that also. I ran through a series of updates, checks, restartes, reinstalls, startup diagnostics, etc, with the macosx.com techies before hitting the public forums. Wish they would've keep those threads alive...
I've had my iMac for about a year, and since I first bought it, it hangs on at least 25% of the web page transitions, sometimes for as long as 20 or 30 seconds. I recently upgraded to Snow Leopard and it's become even worse. Doesn't matter if I use Safari or Firefox. Also, hanging affects my...