Corneykeg.com Is a great place and if you can get to the store front you can get them a bit cheaper. I myself live in Ohio pretty close and just picked some up. They are the coca-cola style (pin-lock) converted to ball lock. They also do not have the pull style blow off its an auto set to...
Just got my stuff for my youngs double cocolate stout clone and a F.N.L. pack.. I am liking this site and WILL be doing business with them again... Keep it up Farm House