People are saying PBMining is a ponzi scheme though... I'm not sure about which one to go with, I might put in $10 for both or something (pb, gaw) before actually investing. I am worried about pb being a ponzi tho...
Yes, there is a big discussion going on:
https://bitcointalk.org/index.php?topic=484355.700.0 . I prefer GAW now.

I think pb mining pays in week.....is this right
Yes, you wre right!