The crossmember has gone to the great Porsche scrapyard in the sky. Ever other solution was too much of a compromise. We measured an SC and found that the crossmember is roughly 2 1/4" forward in the later car and an inch or so off side to side as well. There was no way to fit the shock and get full travel even if we found some way to shoehorn everything in. My mechanic, for better or worse, is a perfectionist (check out the welds on my cage via my link below), so out it came (taking a lot of his previous work on the rear towers with it

) I'll post some before and after pix later in the week when we're done. Now that we're fabbing the whole thing, we'll mount them upside down.
As to the Ledas, the price varies upon configuration. I went with single adjustables with blanks to add the remotes for converting to doubles. Ledas,
AFAIK, are the only shock to allow for this. They take a while to get, approximately 5 weeks, and require a donor strut for the front. They take the spindle from the donor, chuck the rest away, and will mount it with both height and camber to your specs. We did the standard raised spindles (19mm?) with -1 degree built into to the spindle. I believe the cost was a shade over 2K for the set. To convert to doubles is approximately $400 a corner. So full on they're about the same cost as the JRZs/Penkse setup, but again, you can do it in steps, if you find it necessary, which given my budget seemed like the best option. They are easily rebuildable and at 24 clicks, are supposed to offer a pretty wide range of adjustment.