Very nice job. Have you thought about an enclosure for it yet? This has always been the hardest part of PCB designs for me. PCBs are easy and cheap and there are lots of standard box-type enclosures but you either end up hacking holes in the sides with a Dremel or forgoing the enclosure entirely.
That's one of the greatest use cases for 3D printers! Whether ordering from Shapeways or printing on your own, making custom cases for projects is pretty awesome.
Unless you own your own, renting 3D printer time is crazy expensive for building a case for something this big. Laser-cut acrylic is faster, cheaper, stronger, and more precise.
I just put some little rubber feet on the bottom of the PCB and called it a day. It's small, cheap, and cool looking.
On the back side of the circuit board, there are 6 thermally isolated solder pads. I put them there so that I could potentially solder nuts to each of the pads, and then bolt the PCB to a case.
