IF you can't find an arcade cabinet in NY you aren't looking nearly hard enough.
Open up your yellow pages and look for amusement distributors...
or be patient and look here and in RGVAC google group... stuff is posted all the time...
Hell I got a cabinet for free in brooklyn, ny from a fellow byoacer (hey atarikari!) ... and he actually found 2 additional cabinets on the side of the road up the block from him (they were subsequnetly smashed by neighborhood hooligans... but.. still... they were just wheeled to the curb!)
*shrug* good luck
rampy