About to pull the trigger on the 720.. just have a few questions for the experts here in this great forum..
1. I mostly use my Comcast DVR.. does it program/map all the buttons by default, like when i schedule a recording i have to press the "A" button to confirm, or press the "C" button to go back to a list of programs i'm viewing in the On Demand menu.
and the "Live" button to return to live TV after i rewind a show.
or the Comcast remote control has its own Picture in Picture buttons also on the bottom as seen in the picture

Are these mapped automatically, or do i have to manually program all of these?
2. Same with my TV Remote, the additional buttons like aspect ratio, the couple of Picture in Picture buttons like "Twin" , "Swap" "Index" etc..
do these all have to be manually programmed or learned to the 720?
and lastly
3. My local Sears has it for $179, that seems to be the cheapest i have found anywhere local, not online.
seems like people were finding it locally cheaper a year ago.. not sure why that is
thanks!!