Update at 7:00PM Saturday – It’s the speed of the PC. A dual-core 2-GHz iMac is jerky while a 2-GHz four-core I7 Mac Mini runs fine. A 2.4-GHz AMD four-core PC running Windows 7 Professional runs fine, too.  But I can’t watch the Olympics on a 2 GHz iMac, a 2 GHz Mac Mini, or my mid-2010 MacBook Pro (also 2-GHz). All three computers have two cores and are at their max RAM. Yes, I can slow down the connection, but anything above 360p clearly has problems (240p is best) and this on a 25 mbps Internet connection. Understand that in each case I’m starting with the resolution setting on “auto,” so […]