Percona will take your money and support just about anything. They have an excellent set of DBA's for consulting with customers That said their bias is clear.

Percona will take your money and support just about anything. They have an excellent set of DBA's for consulting with customers That said their bias is clear. I'm sure they are not happy that the innodb plugin has the xtradb patches. Hard to sell your product when others have brought it into their product I guess