My own StatusNet instance
The setup is quite easy, but I still have some tuning left. Most of the plugins I have tried (XMPP, realtime and twitter bridge) were very resource intensive, especially for my tiny virtual server, I hence had to disable them. I can live without them.
You can now follow my dents on sn.kirya.net. If you were following me on identi.ca, please update your subscription, the account will remain there but I do not expect to use it anymore.
The current problems with identi.ca show how important federation and decentralization are. My timeline is very quiet for now though, I encourage more people to setup their own instances.