Issues with registration on waindigo.org should be fixed now. Please try again and do let me know if you have any more problems. Also, you'll be pleased to know that auto-respond now only sends a maximum of 1 message per conversation. Sorry about that!
We have a dedicated bluehost server and I'm looking to replace mySql with Percona. Do you remember running into any issues with replacing mysql (other bluehost interfaces maybe not working, such as some of their custom cpanel things..)?