The RIAA gave up on DRM now, so even they know its not in their, or anyones best interest for that matter.
As for software, Oblivion had no DRM and I happily bought the deluxe version to support that model. Fallout 3 had minimal DRM and I bought that too.
RIAA Spokesperson Declares DRM Dead
http://www.dailytech.com/RIAA+Spokes...ticle15739.htm
-S