$2000 dollars in refurbishing a DE Simpsons? Wow! Thats either stretching the truth (Fish Tales style), or about $1600-1700 dollars too much for a generally common pinball machine.
Simpsons DE shouldn't go for more than $1300. $1400 is pushing it. $1500 is too much for a alpha-numeric. The alpha-numeric exception is Funhouse, which is another tier/category compared to a DE Simpsons.
South Park isn't that good of a pinball machine, so I wouldn't worry about that one loren3233. I don't care how many voice over lines you can throw in there, its just not a fun game to play. I don't know if its the worst game though jar155.
With luck, I'm sure you'll run into better deals. Spring/Summer is coming and more deals should be appearing (pinball shows & people clearing storage spaces).