I notice, on my Penryn MacBook Pro, whenever I decide to download a large file, 3+ GB off the network drives, the wireless crashes about 1/2 way. It happens with any large file transfers. I couldn't even get steam to finish downloading 1 game without wifi crashing. Does anyone know of a different driver for the "Broadcom 802.11n Network Adapter"? Wifi works great in OSX but in Vista x64, theres a few glitches.