delsolracer

what is the best head to put on a 1994 ls motor. i want to ls/vtec i just put a ls motor in my del sol. but i dont know what head to use i want more horsepower but i also want it to be realiable. i heard from alot of people that the b18c was giving them alot or problems and the b16 was better to use. which is the best to use.or is there a better head to use.and how much does this type of swap cost and what all will i need.thanks