EV-DO USB dongle & EV-DO/Wi-Fi Router
Update 2.17.2007:Sprint U720 - Sprint Releases Mac Drivers for U720 S720 EX720
Available later this year from Sprint.
PC Magazine has an article about Sprint offering a EV-DO USB dongle and a EV-DO/Wi-Fi Router.
Update 08-08-2006: Franklin-EVDO wireless usb dongle press release
