DIY electronics are great, but you always need to make your own cases for them. Over on Make, they show you how to hollow out cheap 2x4's for surprisingly classy looking cases.
You'll need a bandsaw, drill press, and a few specialty drill bits for these, but all in all it's a pretty easy project. Obviously you'll need to tweak everything to fit your particular needs, but it's a cheap solution to a pretty common problem (provided weight isn't an issue for you). Head over to Make for the full guide.