Hi Peter! WTS is the leader in the check processing industry. They only charge you processing on checks that clear so they do everything they can to get those checks through
Here's the main website:
http://www.achdebit.com/
And if you decide to sign up, you can use
my affiliate code and it would be good
LMK if you have any questions and I'll get you the answers. You can also email me directly at peaches at onlinebeach dot com
(thanks, k!

)