Sky via BB is also a P2P service; it won't kill distribution via satellite but VOD is a market Sky wants to crack.
FWIW I have 100/90 on both tuners on my Sky+. But that's the default transponder; the key is the signal for the 2D channels like BBC1; I also get 80% quality on those too, on a 1m dish with .3 Quad LNB