Starting point in Die Krupps' catalog?

This is going to sound absurd to some, but I have somehow managed to go 30+ years of being in and around industrial music without encountering much material from Die Krupps.

To date, the only tracks in my own collection by them are from three different compilations. Two of which are cover comps of different artists. (KMFDM and AC DC)

Where's a good place to dig into their back-catalog? Is it worth finding (and paying for) a copy of Stahlwerksynfonie, or would I be better off randomly sampling later works?
Amazon and Discogs don't seem to have a CD of SWS for less than $50US, which is more than I'm willing to pay for a "might-like-them" disc.