Anyone use a Keisler Transmission ?

Been looking at putting a keisler stage 2 automatic overdrive Tranny
behind my 360 in my Dart.

http://www.keislerauto.com/vmchk/mo...matic-overdrive-system/view-all-products.html

Anyone ever used these or would recomend them ?
if so please let me know.

Thanks, Phil.