GameStop's updated release list has given launch dates for Metal Gear Solid: RISING, Aliens: Colonial Marines, BioShock Infinite and more. While the retailer's dates are never confirmed, it's often correct, so they're worth checking out for a rough idea.
Some of the notable dates include:
Some of them are more clearly placeholders, such as Final Fantasy XIII-2 being given a New Years Day 2012 release date. In any case, GameStop expects to see these games around this time, so check 'em out.