I've been testing and fixing minor things, and I think I have the SQL conversion ready to deploy. Unfortunately, I'm on vacation next week, and I'm not going to deploy it right before I leave and have things explode. Which means next weekend.
Most of the fixes were small. One bizarre bug led me to make a field load dynamically sooner than I intended. I'm really eager to get SQL deployed, so we can publish at least a preliminary API, and start loading as-needed and getting rid of things in memory.
The conversion itself will take about an hour, during which hubski.com will be down. Probably next Friday or Saturday. I'll be on IRC during, and after I'll make a post asking people to tag bugs they find. It's a big change, there will be bugs.
Let me know if you have any questions.