You my friend sound like the candidate for a BowtechAllegiance
here are the specs... Im shooting 300fps with a 28"DL at 65lbs. with a 350 grn arrow.
Brace Height:
7 1/4"
Draw Weight:
60-70
Draw Length:
26.5"-30.5"
Axle to Axle:
33 1/4"
Speed MOD IBO:
327-335 fps
Kinetic Energy:
87.24 fpe
IBO Smooth MOD:
317-325 fps
Adjustable Let-off:
65%-80%