GSA Search engine ranker captcha setup ? GSA CB + Xevil ? Worth ?

As titled asks what is your gsa ser captcha setup?

I use only captcha breaker to break. And so far it's enough for me. I am experiencing in acceptable captcha break ration with it (+/- 68% – 75% success).

But now i thought to give a try to xevil too.

I am using gsa for tier 1 blasts as well. (No! don't tell that it's not good for tier 1s and it's not safe i know what i am doing and it's fair to me)

Is it worth to add 2nd solver as evil ?

** No i don't use human solvers i only use…

GSA Search engine ranker captcha setup ? GSA CB + Xevil ? Worth ?