I'll tell you something about EZ. I just signed up with only $200, to give them a try. I got $200 Bonus Play with a 15X rollover.
Here is the kicker I made a $50 CBB bet to win $43. My bet won but only $43 credited to my account. The $50 just vanished. I also hit a $25 bet and only got the winnings. The $25 vanished also.
With 3 other books they credit you the wager, plus the winnings.
So far EZ rates a low score with me.