VALVES?????????

I AM JUST GETTING MY S 10 BAGED OUT I DONT KNOW WHAT VALVES TO GET I WANNA RUN AT LEAST 1/2 OR 3/4. I HAVE TALKED TO A COUPLE OF GUYS AND ONE SAID gc VALVES SOUND HORRIBLE AND THEY FREZZE ALOT AND TO GO WITH PARKER VALVES. I TALKED TO ANOTHER GUY HEY SAID HE LOVES gc VALVES AND HATES PARKER VALVES. CAN I GET SOME INPUT ON SOMEONE ELSES THOUGHTS.