Penny Arcade Adventures: XBLA, PC versions go head-to-head
Sure, there are demos for all the versions (download here: Windows, Mac, Linux), but if you still can't decide which Penny Arcade Adventures: Episode One: On the Rain-Slick Precipice of Darkness is right for you, our friends at Big Download have sired Big Versus, a comparison of the Xbox 360 and PC versions. Their conclusion is a statistical tie, with minor complaints for both iterations, biggest of which is the lack of hotkeys for the PC. Read the details for yourself here.
