Well, true to my expectations of Microsuck, they have apparently released the XB360 in much the same manner as they did their Windoze products - lots of hype & lots of bugs.
Reportedly, many people who purchased the first run of XB360s are experiencing system crashes
like this one.
article 1
article 2
Of course, the original xbox went through 7 firmware revisions, iirc, to correct and improve bugs. And there was that pesky problem of
burning your house down.
I even remember reading that the initial run of PS2 systems also had a very high failure rate. I guess that's just the nature of the business.