Interesting gadget from Buslink provides GPRS and WiFi via USB:
Quick & Easy to connect: Simply plug into any PCs w/ USB port for Wireless LAN connection or slide in your cell phone’s removable SIM card
– Features Wireless Network connection, allowing networking where other 802.11b devices may be present
– for use on your wireless cellular carrier’s network.
– Provides users w/seamless wireless Internet connection.