I have had three phone operating systems, Microsoft (moto Q), Blackberry (Storm), and now the Android (HTC Incrdible). The microsoft systems work the best with any existing Microsoft software you may sync with, outlook, media player, etc. If you're like myself, however, I use Google for everything. Maps, calendar, contacts, etc. This is prime time for the Droid, however I hear that the droid does sync with microsoft software. The blackberry was about the same as the Q, just a little less user friendly. If you use Microsoft for everything, stick with it. If you're a google person go with the Droid.
Hope this helps.
Hope this helps.