ive been wanting to play xbox live for so long and now i finally got the wireless adapter for the xbox 360 to get connected. the only problem is, i cant. i dont really know how to do the whole set up thing but my friend said its because i have my computer in a separate room. please tell me i didnt just waste $100! can i still get connected, or will i have to sell it and buy an ethernet cable? HELP!

ive been wanting to play xbox live for so long and now i finally got the wireless adapter for the xbox 360 to get connected. the only problem is, i cant. i dont really know how to do the whole set up thing but my friend said its because i have my computer in a separate room. please tell me i didnt just waste $100! can i still get connected, or will i have to sell it and buy an ethernet cable? HELP!

I heard that there was talk of a Dead Rising sequel. Is there going to be one? Does anyone know where i can find out some more info on this?