The BT Vision Box is broadband based so you can download movies etc via your broadband. However important data is also broadband based like TV Guide and what programmes you've recorded (the actual recordings are stored on the BT Vision Box but the information isn't). Last year I tried getting 2 BT Vision Boxes working in the same house but it never quite worked as all the recorded information was sent to one box and not the other however it did have the effect that I could watch stuff recorded on one box on the other. However the reality one BT Vision box per household.

What pisses me off about all the freeview PVR that I've tried (Don't know what it's like with satellite and never will) is they all have the noisiest fans ever installed. Once the 12month guarantee has run out you try to install a quieter fan and then you find out they don't have standard connectors so you end up doing a bodge job.