I have a wifi iPad and recently picked up the Virgin mobile mifi. The mifi apparently has built in GPS. This seems to work fine in the native maps app -- the locator pin actually follows along the map (with a little error) when I am driving and connected to the mifi. I would like to have a real GPS nav app though (one that will read directions out loud). I bought MotionX but the app does not seem to recognize or take advantage of the GPS on the mifi. It only tells me that the iPad's GPS is not operating (which of course is true since it doesn't have one). So before wasting money on any other GPS apps, has anyone had success with a set-up like this? I'd love to hear about a GPS app that does work with wifi iPad + mifi if there is one out there!