I was thinking about a Singleator, but the existing der is free, so...
I might try to run without a tensioner as well, but I'll need to get a slip link or whatever those things are called. That website is pretty good, lbthomps. Thanks!
The chainline is not bad right now IMHO, but I'll try and tweak it a bit more. Thanks people! I'll post pictures tonight in the photo thread. Ciao!