I bought an Rtype ($110) and a Krazy Bowl ($50)
Here are some results
SF II - good condition - $100
Dear Hunting USA - good - $450
Ms Pac (Monitor & Cab fair) $390 (w/speed up)
Eswat - poor - $10
Ms Pac, Good condition, normal, midway - $460
Contra, nice monitor, crappy cab - $25
Krazy Kong - slanted cab, monitor fair - $50
Playboy Pinball - good running, worn PF - $400
Krammer Crane - $80
GT '97 - good - $325
GT 2005 - weak monitor, tournament - $1200
Pool tables (4) Valley ok, $325 each
Lethal Enforcers - nice cab, ok pic - $130 (I think one of the guns had a problem)
PGA tour, wouldn't boot right - $225
Buck Hunter - Dead as a doornail - $145
Lethal Enforcers - real nice - $400
Twin Eagle II - 25" - $150
PGA tour, real nice - $700
Areo Fighters - had some cab issues - $70
Tetris - $55
Super PacMan - good to fair, worked okay - $240
Beat up Centipede that worked - $200
Primal Rage - Nice, dedicated cab - $170
Steel Gunner - Worked - $60
There were some more, but nothing spectacular. I didn't see the whole thing. I got out when I bought my two games.