Dumped my comments from Wordpress export and imported them using Disqus import tool. You'll need to use an XML sanitization tool on the Wordpress exported XML data... I don't remember what I used, but if you Google for it, I'm sure you can find it. I think I used xmllint.
Followed Amazon tutorial on redirecting www.procbits.com to procbits.com and keep all links in tact.
Wrote my own static blog generator (all the cool kids are doing it), Sky, to actually create the html.