Well if that sounds like something you might want to see the outcome of... Read the full comparison at
Aside from the keyboard, choosing between these phones likely will be more about what's under the hood. The Merge is a world phone, with a SIM card for use outside the United States. But we're also expecting a world phone edition of the Droid 2. The Merge has HTC Sense, whereas the Droid 2 has the Motorola Blur customizations.
And then there's the elephant in the room -- the inclusion of Microsoft Bing on the Merge, in lieu of Google search. We're going to withhold judgment on that for a little bit until we see an actual production unit. Maybe we'll get lucky and Verizon will give us some sort of option. (Unlikely but we're optimists like that.)