I meant to type Mhash of course as I mentioned it's a HD6850
I have no idea what kind of stales they are, the p2pool application does not report anything that seems relevant. Also the amounts of rejects is see reported by my miner are vastly lower than these very high stale percentages.
yes it does:
Recent: 0.14% >210MH/s Shares: 26 (2 orphan, 0 dead) Peers: 11 (1 incoming)