Cool.
A word of advice. Actually two words. DUST COLLECTOR. Trust me...
Don't use a shop vac. Get an old dryer blower and a pillow case. Quiet and works like a charm.
Oh and latex paint works like a charm on MDF. If you don't paint it a drop of oild will soak in and make a very laaaaarge spot.
Grey works..as do other light colors. Dark colors don't look as nice on cnc machine IMHO.
Eric