Got a full set of new RRC (will probably work on a Disco, no idea on a 90) springs. Specifically 1 pair of NRC 4306's and 1 pair of NTC 3285's. For rate info and such take a look here:
Here's where they came from once upon a time:
~$260 from AB; I'll let them go for $150. Shipping extra, happy to facilitate RURR if you're not in a hurry.