I believe there are no 20% bonus here.
I mined in the "classic" pools and in this p2p pool. I saw no difference, I've got the same amount of coins in 24 hrs.
This issue was addressed in this topic. let me know if you do not understand how the statistics work.
Just checked with Altcoingood and there were 700 blocks found out of 1400 total block in 24 hrs. seems like its picking up steam!