[GheeTsar]

A while ago I was faced with a similar issue - duff reception and a redundant sat dish on the side of the house from a previous owner. I decided to buy a Humax HDCI2000 sat box to pick up the free to air sat channels including BBC HD.

Pros:
No subscription
Hundreds of channels
BBC HD is great

Cons:
C4, five and some others are encoded and won't display (to do with contracts with BSkyB I think)
After a couple of years it has become temperamental and packs up every now and again.
It runs very hot

Having said that - I've heard good things about the Foxsat PVR and that would be my selection, especially if it can do the HD channels.