Best head gasket?

what is the best head gasket i could use?
im building up my z6 for boost. i know im going to use vitara pistons and tuner toyz rods. now what head gasket do you recomend to accomidate a descent amount of boost?
im building up my z6 for boost. i know im going to use vitara pistons and tuner toyz rods. now what head gasket do you recomend to accomidate a descent amount of boost?