Talk and text is done with new lg android usb drivers installed on your pc then plug in with usb debugging enabled and use your favorite program to write prl.

Now for internet and mms, I have a solution but it's not free, should be posting in the for sale section soon but it will get you 3g data and all apps working as well. Pm me for more information if you want web and apps working. And yes it is my solution to sell and mine only. To my knowledge no one else has done the optimus yet.