Recent testing by 23andMe has turned up a possible new R1b1b2 SNP at rs11799226 on the y chromosome:
http://archiver.rootsweb.ancestry.com/th/read/GENEALOGY-DNA/2008-10/1223525951and
http://archiver.rootsweb.ancestry.com/th/read/GENEALOGY-DNA/2008-10/1223733458Apparently it's downstream of rs34276300 (P312/S116) but parallel to the other P312 subclades, which are ancestral for it (that has yet to be confirmed for M222+, though).