2-- check most but not al are digital
3--Depends on the package packed with the TV
4--For HD you need a digital package from SKY or Virgin for best results
6--I use my existing Analogue recorder to record digital signals OK, HD-- I do not think it will
7--Yes , I can play back programs recorded on my analogue recoder through my digital box (Virgin) to my TV
8-- For best results you ned a 'Plasma' screen.