try pda net for a usb connection to pc but slow
better is the
http://www.wmwifirouter.com/consumer/trial.php
turns your phone into a wireless modem (only prob i have so far is trying to secure it)
cant figure out how to keep everyone else around from being able to hit my connection
if you have the unlimited internet use you should be ok
i watch alot of sling box right from my phone and it uses way more band then the small amount of teathering i do.
but there has been talk about people getting stung by sprint and charged for suspected teathering.
i personally dont see how they can prove it if you have heavy use on your is connection anyway but the risk is on you for using it.