Reading this forum in search of new info on random reboots and it raised some other questions. 1) Some users list DirecTV DVRS like R10s and others with 6.4 software. Isn't this the same software I'm running on my SD-DVR40 (upgd to 160)? DTV sent me one of their new units in 2006 and the software was crap (no Season pass, wishlist, etc. Have things changed? (I called DTV a couple of years ago and the software was the same.) 2) I can't find any info on the coin battery in the Hughes unit. What does it power? Does it have to be change with the power on? 3) What does Clear and Delete do besides clear settings and recordings? Does it Key a new HD to the unit?