Having some good luck with my experimental p2pool (
http://107.20.222.119:9500/static/) we're at around 18 mh/s and have found a number of recent blocks:
Mon May 20 2013 10:45:20 GMT-0400 (Eastern Daylight Time) 400989 363c02a02582e058a8fba577b2fab4d628ff7cd15add59872c29ed21b749524b
Mon May 20 2013 10:44:40 GMT-0400 (Eastern Daylight Time) 400981 3f64a3c7904b7026ae2997d363fb34de4c5d9b8aff49449b59ec9dbb18df6b01
Mon May 20 2013 10:44:12 GMT-0400 (Eastern Daylight Time) 400977 5481bbd3f785262453587d4db4429e28632285c0848ffb43daadb20055e8cd40
Mon May 20 2013 10:43:01 GMT-0400 (Eastern Daylight Time) 400972 f83a746e55dc1e56a82452b9461c034f94b23819f6c72fee1172c267679fde12
Mon May 20 2013 10:39:54 GMT-0400 (Eastern Daylight Time) 400964 d1fdda3a53637aef08b1e8096c144ce4aba69b2de3d515b155789bed4dc1a481
Mon May 20 2013 10:37:46 GMT-0400 (Eastern Daylight Time) 400948 c2dd99b58a2415da8e16551f784a2aa033fc3baa9e93ba41ab34c4a1018e924a
Thanks, payouts are working properly on your pool .