i have a weber 32/36 carb on my toyota, it's a great thing. a bit loud though, since it sucks a lot of air, but hey, it adds personality
a 32/36 should give better gas milage but better performance, since the primaries and secondaries are different sizes(hence 32/36). it does great for normal driving, but when you mash the pedal it lets out a nice ballsy roar and accelerates quite nicely
oh, and almost forgot to add...it gets rid of a lot of emissions spaghetti. i looked at a vacuum diagram for the stock carb on my truck(came with the weber when i bought it), and it would have given me nightmares if i ever had to fix something. with the weber there only seems to be about 4 or 5 hoses coming off the carb