Well, 2010 is 5 years after the 360 launched. Since getting a jump on the competition was probably the biggest advantage the 360 had, I would expect MS would want to do it again with the next Xbox.
If actual hardware doesn't show up in 2010, I would expect hype to start showing up sometime that year.

"The worst part about these reviews is they are [subjective]--and their scores often depend on how drunk you got the media at a Street Fighter event." — Mona Hamilton, Capcom Senior VP of Marketing
*Image indefinitely borrowed from BrainBoxLtd without his consent.







