You should see what I found under my sink. I'm curious what the pros will say about your setup as it is much simpler and easy to maneuver around than mine. I'm just wondering if that "T" can somehow disrupt flow from the disposal, but it doesn't seem likely.
If it works, nice job. I should post a picture of mine. It's nearly impossible to access anything because of the way pipes are sticking everywhere. I always thought it had to be like that. If this works, I'll think about redoing it. Had to remove the p-trap for a clog a few weeks back and I practically had to disclocate my shoulder around all these drainpipes just to reach the slipnuts.
I'd consider a p-trap with a cleanout. Garbage disposal clogs are somewhat common in mine and they're nasty. I wish I had a little cleanout on mine.