IM LOOKING FOR A REGULATOR IN THE PRICE RANGE OF 400 TO 500.00 I WOULD LIKE IT TO BE OVER BALANCED DIAPHRAGM FIRST STAGE ANDVVENTURI ADJUSTMENT ,I WAS ALL SO LOOKING AT THE OCEANIC DELTA 4??IS THIS A GOOD ONE ILL BE HUNTTING IN WARM WATER, IN THE SUMMER TIME..ANY THING IN MINE FOR THIS PRICE RANGETHANKS..