I just got back from the Worcester auction. There were quite a few people there. I didn't stay for the whole auction, but I did manage to jot down the prices of most of the arcade machines. I didn't have access to a pickup truck, so I didn't end up bidding, but there were a few good deals:
Ms Pac Man/ Galaga Combo - $950
Ms Pac Man - $400 (faded screen)
Donkey Kong - $550
Moon Patrol - $325
X-men vs Street Fighter (Showcase) - $600
Game Station (Showcase) - $350
Target Force Gold - $1350
Silent Scope 2 - $500
Mr. Do Castle (cocktail) -$425 (monitor in rough shape)
Family Guy Pinball - $2500
Nascar Pinball - $1650
Indiana Jones Pinball - $2000
Doctor Who Pinball - $1250
Phantom of the Opera - $1100
Pinbot Pinball - $900
Taxi pinball - $850
Pac Man Cabaret $450
Pac Man Plus Cabaret $550
In the Groove - $2500
The Fast and the Furious (2 s/d units) - $2950/ea
Crazy Tazi High Roller - $900
Road Burners (2 s/d units) - $1000/ea
Beach Head 2002 - $1000
The House of the Dead - $1000
Lethal Enforcers 3 - $1750
Star Wars Trilogy Arcade - $800 (bad joystick)
T2 Judgement Day - $675 (2player gun bad)
TMNT - $250 (very light display)
2005 Golden Tee Fore - $1250
NFL Blitz Gold/ NBA Showtime - $600
NBA Jam - $200
Golden Tee '99 - $300 (very light display)
Neo-Geo - Bust-a-move/Magic Drop/ Metal Slug - $350
Marvel Super Heroes - $350
Strider (in a Virtua Fighter 4 cabinet) - $300
World Series Baseball - $475
Marvel Super Heroes vs Street Fighter - $400
There were probably about another dozen arcade games, but I didn't stick around to see what they sold for.