Installed my 921 in January 2004. Lot's of GSODs. Then there was all the trouble with the OTA OSG, and the ZLRs. And the fan noise (replaced both mine). And who knows what else I have forgotten. But now, the 921 just sits there and faithfully does what it was designed to do. I don't even have to reboot it any more just to be safe. I look at the troubles on the 622 forum and think, I just don't want to swap out something that is now solid, for something that still has teething troubles. Not to mention the whole leasing and multi-year commitment thing. So I'm sticking with the 921 for a while yet, until it finally croaks or the 622 is mature, and there's some compelling new HD. So let's hear it for the 921, one of, if not the first HD DVR, and now finally delivering to it's specifications!