MDP100: No DVI, 1st Generation Tuner
MDP120: DVI w/daughterboard, 2nd Generation Tuner
MDP130: DVI w/daughterboard, 3rd Generation Tuner, QAM capable
all run the same drivers/application

MDP120: DVI w/daughterboard, 2nd Generation Tuner
MDP130: DVI w/daughterboard, 3rd Generation Tuner, QAM capable
all run the same drivers/application