hello all, just want to give you guys my experience with windows XP and ati dvd player. Two words...NO GOOD. my htpc includes: aiw radeon, audiophile2496, fresh copy of winXP rtm build, ati redeon drivers for xp version 6.13.3272b, atidvdplayer 5.0 and MMC 7.2, amd1.33ghz thunderbird, amd760 chipset from msi., lt150, resolution of 1024x768 at 60hz. Installation was fine, no warnings or errors. play several dvd movies, same result. it was choppy...very choppy. check all my connections, tweaked everyting, including setting dma for dvd drive....uninstalled ati mmc and dvd player, reinstall 4.1, couldn't get it to work because of the xp display drivers. reinstall back the 5.0 and still same results...choppy. remove just the dvd player, kept the MMC7.2 for cable and satellite tv. install windvd 3.0 and and whoooooW..shockingly perfect images. so that made me think the ati dvd player and xp are not good yet. any1 else have trouble with this combination?