said by Warzau:When will there but multiple tuner more than 2 for anyroom DVR?
 
The current crop of TiVos are able to record 4 HD channels simulatneously on Comcast. Whenever I have asked the AT&T U-Verse person,who just rang my doorbell, how many simultaneous HD channels I can record on U-Verse, I get a blank stare.
With AT&T's U-verse, my neighbors tell me that the U-Verse infrastructure is problematic in its delivery of two HD channels at the same time.
It appears you confuse the inability to deliver multiple HD channels (i.e., AT&T's U-Verse) with the ability to record the flood of HD channels that Comcast seems to be able to deliver concurrently and simultaneously to the home.