Reddit rates both Risky Buy. The split is what you want: the HT3550 — buy only if you prioritize picture and image quality above brightness and long-term reliability. The Horizon Ultra — buy only if you want a bright, portable projector and think the price is fair for what you get.

Buy only if you prioritize picture and image quality above brightness and long-term reliability.
+ Picture quality is the single most cited strength, with owners repeatedly calling it the reason they bought.
− Brightness is a recurring complaint — owners repeatedly flag it as insufficient for well-lit rooms.
Full verdict →
Buy only if you want a bright, portable projector and think the price is fair for what you get.
+ Brightness is a vocal-minority highlight, with some owners calling it impressively capable for its class.
− Contrast is a recurring complaint — it comes up repeatedly as the single most cited shortfall.
Full verdict →Reddit rates both Risky Buy. The split is what you want: the HT3550 — buy only if you prioritize picture and image quality above brightness and long-term reliability. The Horizon Ultra — buy only if you want a bright, portable projector and think the price is fair for what you get.
Reddit's verdict is Risky Buy. Buy only if you prioritize picture and image quality above brightness and long-term reliability. Strong picture quality, but ~1 in 4 long-term reports describe a failure — often within the first year.
Reddit's verdict is Risky Buy. Buy only if you want a bright, portable projector and think the price is fair for what you get. Great picture in a portable package, but contrast limitations keep it from matching a true home-theater projector.