GR: On May 21st Microsoft will finally pull back the curtain on its plans for the next generation of gaming with the reveal of its successor to the Xbox 360. Up until now we've heard all sorts of rumors, some of which have been positive, while an alarming amount have been negative. Sony came out swinging in February with a PlayStation 4 reveal that knocked just about everyone's socks off. Will Microsoft's showing be able to compete? Here are a few ways in which Microsoft could really screw the pooch.