Hey gang, I have an iMac Core Duo (not C2D) 1.83 GHz with 2 GB RAM. I'm pretty happy with the speed under Leopard, which is remarkable considering the computer is over 3.5 years old. Anyway, I was thinking of upgrading to Snow Leopard but didn't want to do it if there'd be a noticeable performance hit. Sometimes you upgrade an OS and all of a sudden your computer feels sluggish. What's your experience with upgrading to Snow Leopard? Thanks!