I haven't officially posted a for-sale listing for these in the BYOAC forums, so here we go!
Bartop/Countertop Arcade Cabinet Kits ($199):
Plug-and-Play Bartop/Countertop Arcade Cabinets ($799):
Inside monitor area dimensions (slim bartop):
16 1/4"W x 13 11/16"H x 12 1/4"D
(10 1/4" viewable height)
Dimensions of the cabinet itself (slim bartop):
17 3/4"W x 28"H x 22 1/4"D
The classic bartop kit adds 5" to the depth.
Customizations, such as a larger monitor width area, button hole configurations, etc., start at $10.00.
More info can be found here:
http://emdkay.net/emdkayde_bartop.html