Dreamcast Collection appears on retail listing... but how well is this DC Returns lark going?

Google Cache doesn't lie. US game retailer GameStop listed an Xbox 360 title called 'Dreamcast Collection', slated for release on February 15, 2011. And then took it down sharpish. What does that mean? More likely than not, a disc-based compilation of the games that have appeared on XBLA so far in the 'Dreamcast Returns' series. But judging by the games released so far, Dreamcast seems to play a very