http://biz.yahoo.com/prnews/060321/sftu067.html?.v=47
Looks like they are extending some current titles with Live downloads as well.
Beginning this week, Microsoft will distribute two to three times the number of Xbox 360 consoles to the retail channel weekly. With component supplies in full production and third manufacturing partner Celestica Inc. now producing the next-generation console along with partners Wistron Corp. and Flextronics Corp., Microsoft is producing more Xbox 360 consoles than ever.
Looks like they are extending some current titles with Live downloads as well.