http://www.click2pay.com/
http://www.neteller.com/
http://www.citadelcommerce.com/
http://www.firepay.com/
https://www.payspark.com/
http://www.ecocard.com/
http://www.moneybookers.com/
I presently do a substantial amount of business with each of these processors. I can vouch that each of them are able to handle gaming well and pay on time, although a couple of them can't be used to payout winners.