No experience with that mount, but some research to share:
That Kensington you listed opens to 2.75" max, which is right at the width of the Otterbox case. The height is listed at 4.1", so the Fascinate should stick off the top a little. IMO, that is a plus if it means the camera can still see out. I'm looking for one to dual-purpose to film video as I drive. My main concern with this one would be how stable it is, since the flexible adjustment will hurt that.
Most universals just don't seem to open wide enough. Another wide jaw option are these:
. But I don't think the camera will be able to see over the high back.
Based on dimensions, I think the clip that came with the Garmin Nuvi 200 series might work. If it does, this opens up a ton of options. Anybody have a Garmin Nuvi 200 Series?