[skleiner]

I faced a similar situation when I did not read the fine print on wordpress dot com, not for commercial sites. I just took my lumps, and started over, if you can re-direct through the wordpress dot com to your new address, it's under - upgrades - domain mapping, I think it cost around 10.00 to do, but it redirects to your new location.

I than added all the posts to the new site, and eliminated all but 8 posts that were ranking well, I really pushed the new site and a google site map - my new site did redevelop PR, the old one was a 4, the new one within 5 months became a 3.

Best of luck