Howdy- I've been using my new X1900 for a few days now, and it's been going well. Though I've run into a few problems that I hadn't encountered before with my Quad, and I'm wondering if its the new card. Currently I ahve my 20" hooked up to my 6600, and my 30" connected to my X1900. If i'm watching video in iTunes, it works great on the 20". All smooth and joyous. But when i drag the video window onto the 30", it gets choppy. I don't notice anything else choppy... DVD player works great, GUI actions are all smooth... Why might this be? Thank 'ums. EDIT: Upon further inspection, it appears that whichever display I start the itunes video in is the one that stays smooth. When I drag it to the other, choppiness occurs. But it only happens in iTunes, not quicktime. Just another example of crappy iTunes coding? EDIT: And further, the choppiness in iTunes causes the entire eyetem to become choppy. It's as if the instant the video touches the second screen, the entire video system is hacked down to 5fps. Still, only with iTunes.