Last week I reported on a Bluetooth GPS solution that will give you full navigation features on both the WiFi-only iPad and on the iPod touch. Today I was able to test the device and see if was a useful solution to navigating on iDevices that don't have GPS built-in.
The quick answer is that it does work, and it works very well. The GPS receiver, provided to us by New Sky Products, is about the size of a thin tape measure. You turn it on, pair it with an iPad or iPad touch, and you are good to go.
There is a small slide switch on the unit to tell it you are connecting to either an Apple iOS product, or anything else, like a lap