Hi I use a MacBook Pro 17" (with the smaller ExpressCard). I use a wireless card from Verizon, subscribe to their national broadband, and there's a VZ Manager which connects both to Verizon's wireless system, and also to local WiFi like my airports at home. Works fine. (When updated to Leopard recently, I had to find and download later version of the VZ Manager software) David david at ferleger.com