A few products you might want to read about.

[Link: newegg.ca]

[Link: gigaom.com]

http://www.tablotv.com/

Personally, I own 2 TiVos but they are a lot more pricier when you add in the lifetime subscription fee. But the user interface is so good my wife and 7yo can use it (which might not necessarily be a good thing :-) )