my current project is a conversion of a damaged 2 player upright universal into a small neogeo lowboy cabinet. the panel wide is 48,5 cm ( around 19 inch ) + 18 mm ( 3/4 inch ) each side. its housing a 20 inch crt ( a 20 inch 4:3 lcd would also perfectly fit in ) . i think this is as small u can go with reasonable 2 p gaming. u should consider taking a 20 inch dell or hp instead of a 17 inch whatever brand ( with mame filter the neogeo games will look ok ) . 2 p neogeo gaming on 17 inch is no fun , id say 18-19 inch minimum . otherwise it could end in a decorative nice looking something , but u wont enjoy it . if u decide to try the 2p version then take ur time with the panel layout part, it will be tricky .
the pics show a similar 19 inch wide sourcecab in the back and the raw outcome after chopping . in the end it will be a small sitdown lowboy . i havnt decided bout the panel layout yet.