Thanks for the great project & pics. I love to DIY & customize, especially if it can be done for less than buying. Extra kudos to posts by knightshift (OP & #26) & bbarr21 (#57 & #58) for the details (& pic showing it doesn't take up much more floorspace than a carboy). :mug:
My 2...
A note of caution.
If these are like the "CornyKeg Pin/Ball Lock Conversion Kit"
http://www.cornykeg.com/catalog.asp?prodid=682504
then it seems they might not work for Cornelius brand pin lock kegs.
I'd be happy to be wrong tho since I have 2 Cornelius brand pin lock kegs that I'd like...