I'm glad they dropped the mandatory six axis motion controls of those earlier titles. They were always used in such a way that made using them annoying
I had the same issue, went through 3 different 360s. 2 RRoD on the launch models. Disc read error on the halo 3 model. The early 360s were gigantic pieces of shit
Fortunately the wifi card is plug n play, so it is pretty easy to swap out. Unlike the ps3 where it is soldered to the motherboard on the slim and super slim