I don't have a build page. Basically 2x8 and 1x8 glued together for most, with a 3D printed land for the top to seal against. I can take more pictures if there are any particular items of interest.
I purchased from Sams Club, but they don't have them any longer. I only see one place online showing them for sale.
http://salestores.com/hisensefd90d....Ptqq9OF7pEVXrfkMR0hoCj9oQAvD_BwE#.WZT60ih95aQ
I didn't do any special wiring, just using a temperature controller with the thermocouple in the cold side, and adjust the warmer side with the front control.
CO2 will give you sparkling wine. I like my reds without carbonation, also I hear Nitrogen is good for the Stouts, plan to make one soon. With this setup I have flexibility to use either gas in either compartment, at it's own pressure.