Research & resource site - under construction.
About the males sharing in their Y-chromosome the following mutations (SNP's):
L26+ and L250.2+ or L251.2+ or L1064+ or M68+

Project page @ FamilyTreeDNA - Images - Archive - Forum MolGen/J-L250

FTDNA J2a-L26 Draft (Research) - ISOGG J (Genealogy) - YCC Karafet et al 2008 J (Science)