T-Mobile WebConnect USB Laptop Stick
The T-Mobile WebConnect USB Laptop Stick works just fine as a cellular modem, but the service plan is priced too high.
http://reviews.cnet.com/T_Mobile_WebConnect_USB_Laptop_Stick/4505-3004_7-33596239.html?subj=fdba&part=rss&tag=MR_Networking+and+Wi-Fi