I doubt that there is a bw100 with a perfect Playfield still out there. The vacuum formed plastics by this point would be very brittle, especially on the upper left ramp area, on the upper middle cliff hanger, in the upper orbits, behind the upper saucer, and on and on.
Price wise it is probably under $1300 and then deduct for trough opto boards, if original.
It is the coolest looking Playfield in my opinion but it is not one to usually last in a collection under 10 machines, unless you or your friends are big into motocross. The gameplay is pretty fast & furious though, until you drain 2 balls. The soundtrack is a big drag and repetetive..repetetive..repetetive. I say buy it if priced at $1000 and expect to sell it slowly for that amount if you tire of it.