http://xbox360.ign.com/articles/647/647185p1.html
It seems we may have jumped the gun on the "final" Beta kits being out. Kind of nuts that devs still don't have final hardware to work with... recipe for launch software dissappointment.
Why the late date? Microsoft is hoping to give developers as much time as possible to finish and polish their games while simultaneously shipping their concave new box during the most active day in North America. Additionally, independent sources have told IGN that final dev kits haven't replaced the mid-summer beta kits, which has added to developers' frustrations.
It seems we may have jumped the gun on the "final" Beta kits being out. Kind of nuts that devs still don't have final hardware to work with... recipe for launch software dissappointment.