Carbon Poker is a great site offering 200% signup bonus. In other words, if you deposit $100 with them, you will get a $200 bonus.
With the initial signup bonus, new players just need to enter code 2000V43 when making their first deposit to receive a 200% bonus (up to a max bonus of $2000. ie max deposit $1000).
On top of this they also offer many freerolls to new signups
The Carbon Poker software looks very classy and operates very smoothly on your PC or laptop. You can play Holdem, Omaha and Stud at Carbon Poker, and there is a wide range of levels to suit all budgets.
Commonly Carbon have around 5000 players online, which makes the field sizes a lot more manageable.
Some great new features have been recently added to Carbon Poker including:
1. Deal it twice feature - Run hands twice to reduce the element of luck
2. Bounty Tournaments - Bonuses on the heads of players. Collect the bonus cash for each player you knock out.
3. Bad Beat Jackpots - An accumulting jackpot which drops when a someone suffers a qualifying "bad beat"