I found a PCR world for PCR Protocols, such as RT PCR, Real time PCR, PCR elisa, PCR SSCP, PCR RFLP, PCR genotyping, PCR based molecular cloning, AFLP PCR and more.

http://pcrworld.blogspot.com
www.pcrworld.blogspot.com

I found more than 35 kinds of PCR protocols over there.