At the price some games have been commanding lately, it may be cheaper to pay 600-800 to have a bad playfield restored than looking for a mint example.
If there was any way for me to spend 4k on a CV (if I could afford it), I would do it unless the PF was just absolutely slaughtered, knowing that I would be trying to save the money real fast to get the PF out of there, document a full teardown, and send it off to be fixed.
My wife's really got a pin woodie for this game...I don't get it, other than the artwork. She's never played it. We only have space for 3 games and very limited funds. Space Shuttle and STTNG aren't going anywhere.