i've had experience towing with 5-6 different brands, and imo the prodigy is a cut above. other units definitely get the job done, but lack the smooth and seamless operation of a prodigy. they also really shine if you have the need to frequently adjust the gain/settings for varying load weights, pulling different trailers, empty vs. loaded, etc. they might be a few dollars more than other brands/models, but to me it's negligible when you're talking about such an important piece of safety equipment. they're hardly the most expensive units out there, either. i think i payed about $75 for mine 3-4 years ago used.