Anybody Tried the Mobi or Amzer Case?

[jrzofclay]

I'm in the market for a good case for the Droid 2. I want one that's durable, so none that are silicon or rubber, preferably polycarbonate plastic if possible. Anyways, I've narrowed my research down to 2 potential cases.

Anyone have any experiences with these cases?

Mobi Products Hard Shell Case for Motorola Droid 2 - Android Hard Cases - Everything Android Accessory Store

and

Amazon.com: Amzer Rubberized Snap On Crystal Hard Case for Motorola Droid 2 A955 - Black: Cell Phones & Service

Also, what do you guys think about the ones on ebay? Good, reliable?

Thanks!