I always felt the Coleco was clunky feeling in controller response and not well refined system overall - just rushed out to compete in the video console wars, the only thing that was better than others were some of the graphic abilities
let's test my theory: Drop a Coleco and 2600 from a second-story balcony, set remains on fire for 60 seconds, dowse with bucket of water, let dry outside for 72 hours, then tell me which one still works.