So just thought I would give an update on Cayman S. Last couple of months I noticed some seeping from the Rear Main seal/IMS area. I figured no big deal, just a little leak. Then about a month ago it started leaking a lot. It would leave 10" diameter puddle in the garage. I thought RMS was the culprit. I pulled the transmission a few weeks ago, and discovered that the IMS cover/support cover was leaking. I replaced the IMS cover seal, and the RMS while I was in there. I inspected the IMS bearing and it has Zero play, which is good because you have to split the case to replace the bearing.
I also replaced the clutch and Flywheel(Dual mass, cant resurface). total parts cost was $800 and my labor. It's almost back together, just waiting on a few parts to arrive.
I was also surprised how easy it is to remove the transmission on these mid-engine cars.