I do hope it's backwards compatible.
I've just done a Google, & found another article which suggests it could be unlikely
(still all speculation, though!
)
http://curmudgeongamer.com/article.p...40322202148324
A petition to M$ to make it backwards compatible:
http://www.petitiononline.com/xbox2/petition.html
(sign it!
)
The "Background" section is quite interesting, & the links are also worth checking out