Super Slots is one of the best casinos you can choose if you are into slots big time, as you can probably guess from the name. Part of the Casino Coins group and using OddsON software which means they have a number of different slots games that you won't find everywhere else.
NETeller is definitely my payment method of choice, and they offer a decent bonus of $75 at the time of writing.
First Deposit Percentage Bonus
Deposit up to $100 to get a 150% match bonus up to $150.
Monthly Percentage Bonus
Deposit up to $2000 to get a 5% match bonus up to $100.