I was in speaking building nirvana yesterday as I embarked on creating a center channel speaker that would be incorporated into my current speaker line-up (using same drivers all around now). I was kicking up plenty of MDF sawdust, covered from head to toe in the stuff, just having a fun time. The front baffle is done, and the box is pretty much glued up, but I need to glue in the bracing and caulk the interior seams, and screw in the back panel. After that, it's just a matter of mucking with the crossover and tweaking. I'll try to post a pic or two later.