Windows Mobile, more than any other smartphone platform, can be found on a plethora of devices and form factors. In fact, over a year ago, we found there to be 18 form factors of devices that run Windows Mobile. So looking back over the last 10 years, what was your favorite form factor? Was it the standard side-sliding QWERTY as found on the HTC TyTN II, or was it the simple candybar QWERTY as found on the Palm Treo Pro? Perhaps it was the rare Qtek 8500 flip phone, or maybe you liked the slide-out keyboard of the T-Mobile Shadow. Let us know in the comments!