I saw a post on here for $50 free ND at goldstream. I spoke to livechat and it's for depositing players only. However, they do have a code for newbies...

Vincent: NEWSILVER50
Vincent: $50 FREE CHIP
Vincent: 30X Wagering Requirement
Vincent: (60X for Blackjack & Video Poker)
Vincent: $50 Max Cash-Out
Vincent: Redeem: NEWSILVER50
Vincent: No Deposit Required
Vincent: No multiple accounts or free chips in a row allowed.

(sorry, c&p from live chat! lol)

Good Luck