I'm looking into buying a Carvin V3 combo amp. i play mostly metal/metalcore stuff. my question is about the speakers. one combo is $1049 with celestion GT 75 speakers i think it was, and the other was $1299 with vintige 30s. what tonal differences would each speaker provide? would it be worth it to spend the extra $150 for the v30s? my main concern is distortion and a good metal sound, not clean. oh, and please stay on topic, dont tell me what other amps you think are better. thanks for the help.