Thanks for the mention, Nick! It's a constant battle to find time to develop on all of these platforms. The easier these companies can make it for us developers to develop on multiple platforms, the more we will flock towards using them.
Stay tuned - I'm going to try and pull the accounts I know Twitter was blocking if I can and do a follow-up post. All this came about because I was getting repeat accounts every day that Twitter wouldn't let me follow on SocialToo.com. I think I still have a list of those accounts, which should be a pretty thorough list.
I blogged about this same concept awhile ago - I think we're bringing back the days of the "small community" or "small village", where people knew everyone, and because of such were held accountable for their actions. That said, this is a new level of "small community", in that there are still ways to maintain privacy:
The TinyURL integration has been around for at least several months now. It only shortens urls above a certain character limit, but my urls have been shortened by Twitter for quite awhile now. Also, if you use Snitter, there's a feature in it that will use snurl.com, an even shorter url, to shorten your links.