Paf

Deposit with codes:

-J3F9: 15€, bonus 15€
-N7HT: 10€, bonus 10e

-2NPT3: Play "The party"-slot in 100€ you get 20€ bonus.

And wagering is only 1x, again Paf remember with small wagering requiremens.

Pokerroom uses there Ongame- network and casino Netent.
Propably no USA, but this is quite nice offer to european players.