Please suggest some nice sbc streetable heads.

[dmartin1]

Ok,
350 sbc 30 over 9.5:1 speed pro flat tops.(what its supposed to be for the heads and speed pro flat tops supposedly.i dont know the EXACT ratio.i bought the engine quite some time ago.received receipts,and ive replaced head gaskets)
all arp studs etc.
scat crank.9000 if i can remember right.
edelbrock performer aluminum intake, headers(long tube), holley 600, hei,
comp cams 270h cam

it has iron 194 heads on it.stock.Is this holding back some of what this engine can do?
I feel that its lacking in this area.
the engine really sets me in my seat and sometimes spins my 295-50's all over with the old sm465 tranny.

Could anybody point me in the right direction of what kind of heads to get? id like aluminum for the weight. as long as i am able to run atleast 91 or so octane pump gas(octane booster or whatever would be ok) id be fine.

Im sorry in advance if any of that is confusing. just looking for help. thanks!