Best street carb I ever had was a T-quad that Demonsizzler went through for me. Haven't seen a post from him in years, though. App was a 406" SB Duster street car with A/C; started quickly after sitting, ran clean, perfect throttle response, 17MPG. That was 2002-2004.
Worst POS carb I've ever had was a Race Demon 850DP, so I'm leery of the brand even though the one posted is a different animal.