I've always gone Resists -> HP -> Sta -> Cha -> Dex -> Str -> at the endgame. That seemed to pretty much be the consensus with top end Bards that I could gather. The point was always to stay alive, and Resists and raw HP and any more you could get from Stamina were always so far and above anything else that it didn't matter. Stacking any stat at the expense of HP/Sta was just silly. On p99 which is not exactly the same as live, who knows.
However:
http://www.project1999.org/forums/showthread.php?t=6733