What about the EdGI barrels? I've heard some good things about those. But yes Prometheus is tried and true, albeit expensive but that's what you get for getting the "best" even if it's only marginally better (similar to how you pay more for high end enthusiast computer parts than the slightly worse "mainstream" version (ie. i7 920 vs i7 950).
ಠ_ಠLess QQ more Pew Pew
READY TO >> RACE