well, I use to post this in every forum I visit. I live in San Jose, Costa Rica. and have a neighbor who works at AbsolutePoker. I confirmed to me they help you to lose. in addition they have props players that will play team against you, I was in that team for a few month and had to quite coz got a better job. I still playing league games there.
Other one, I dont know if it is like to stay away, this happened to me at bospoker.com: when they were just a new site, I played their week-days freeroll qualifiers and than qualified to the weekly one with nice prizes. Finished 3rd and got$360.
Since I got that money for free, went inmediately to the ring games and played very aggresive (I did not care to lose it) and ended with $1200 the same day

.... kept on playing and at the end of next week had $1300 (bad week for that great weekend)
When I tried to cash out they forced me to deposit $100 first. That was going to enable me to cash out 3 days after the deposit. When I went to them to withdraw they informed me they can no let me withdraw coz I was in Costa Rica as well as their company and that disqualifies me to be their costumer

(nothing stated in the terms). So finally after month and many argues in the phone they let me cash out ONLY WHAT I DEPOSITED

. I ended receiving $60 coz they deducted the transfer fees from my $100.

and closed my account