If your serious about it then go with AFR heads or Canfield heads, i have only heard tons of good things about both, if your still looking to go the cheaper route, find some double hump heads, shave then down a little to about 62 cc and bump your compression up a little if you want. I dont think your gonna have many people on here to agree about high compression engines in street use. I run 10.84 :1 pistons with heads shaved to 62cc on 93 octane and have for 2 years now, i street and strip it with iron double hump heads and have had no problems. Look at this website, it may be helpful

http://www.chevytalk.com/tech/engine/SBC_Heads.html

Good luck and keep us updated.