Quoted from RCA1:Just my (unsolicited ) 2 cents, but don't get hung up on DMD for your budget. Look for a good, clean solid state game that you actually find as fun to play. You spend a surprisingly small amount of time looking at the display (whatever it is) while playing anyway. And be patient and ready to buy when something shows up.
Good luck!
I have to agree. My favs are system 9 to system 11 Williams games. BoP, Sorcerer, Grand Lizard, etc.