parker

ok i know everyone says that parker is the shit... well i was just curious about THESE (PARKER 3/8" HIGH FLOW FAST VALVE 3/8" electric valve with 7/16" orifice 300psi/2.5 cv flow rating. 5 year warranty.) or would it be better to get these (PARKER 3/8" HIGH FLOW FAST VALVE 3/8" electric valve with 5/8" orifice. 300 psi/3.0 cv flow rating. 5 year warranty.) dont really make a shit to me... i dont want anything extremely fast... and has anyone ever ordered from DIAXIS customs before?? And if you have they good about sending there shit out??