High Def movies via XBL? Er? I'm not following... Unless you mean actually "sell" them compared to the current rental offerings. That shouldn't be a big deal to them and it definitely wouldn't require much work on their end.
We won't see a new Xbox in 2009. Bank on it. MS is just starting to see the light when it comes to the 360 and profits and I doubt they're in any hurry to start throwing gobs of money into R&D on another 2-3 years of losing money.
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