I've also heard from friends in the industry that there was a moratorium on sub 9/10 reviews for 12-24 hours after the game's release. Sounded fishy to me but it made sense seeing how quite a few reviews didn't show up until later on, and more than just a few of them are less than stellar.

Until I heard from a few friends who intend on buying, it would seem Odin's assessment is a spot on, if even bargain bin. If it's got the same horrible console-type interface on the PC like Bioshock, then it's doubtful I'll trouble with it.

Edit - Here's another thought. Keep track of the review scores on the sites, and see if any are later pulled, retracted, or revised later.