It seems to work on all my accounts that have never been Gold before. It doesn't work on my main account that I have been using the last few months. Bad form Microsoft.
Skyrim for PS3 was $9.97 in the Shoreline, WA Sears location (Aurora). The 360 version was $29.97. The guy working there said that the PS3 version was on clearance because they were trying to get rid of them.