US player looking for new site

[GoCubsGo]

I play 1/2 and 2/4 NL and I am looking for a site with either a good bonus (5x-10x) or good rakeback (>30%). It has to accept US players. Quality of the games is very important also, and if one site has significantly softer games, I would take it over a site with a better bonus. I have never played Full Tilt or Pacific and I have not played at Stars in a while, but I always hear the games there at all 3 are tough and filled with TAGs. If this is true, it probably wouldn't be worth the bonus or rakeback money I would make. Are there any good Prima bonuses?