I think that it's stable, testing and unstable in order of stability to instability. Stable is guaranteed long term support. Testing generally has had a week of

I think that it's stable, testing and unstable in order of stability to instability. Stable is guaranteed long term support. Testing generally has had a week of testing to ensure no obvious catastrophic errors, and unstable is basically as is straight from initial packaging I run testing on my non-prod (experimental) server instances and would probably go with stable for anything production quality, although I've never experienced anything going wrong with Testing. I have my server tied to "Testing" rather than the current name, which turns it into a rolling distribution (like Arch).