I do have the Canon XH-A1 working with Sony Vegas Pro 8.0 now. But with Windows Vista Ultimate 32 bit, not 64. Didn’t install the 64 bit. I have the disk for that version too. But decided to go with the 32 bit. I’ve thought about going the 64 bit route. Since it captures everything just fine the way it’s set up. For now I’ll stick with this setup. Maybe any little hick ups wil be fixed by a faster video card. Only using a P4 3.06 ghz 2.5 gig ram, 256 meg ATI Radeon X800 video card. For the moment “If it ain’t broke, don’t fix it” is the way I’m going.