[PWebRPH]

Bad day today...
After running some errands today in the Boxster (2005 S) I pull in my garage and as I'm about to turn it off I hear a slight rattle-type noise coming from the rear. I leave it running and get on the ground to see what is up, and the rattle becomes a loud grinding noise that comes and goes. I turn it off, wait a minute or so, and when I turn the key again it struggles to start. When it does start there is more of the same noise.
It gets worse and then finally craps out all together. There was no fluid leakage of any kind, and I didn't dare try to start it again. Oil change was done by dealer in March, and it only has about 28k miles. I had it towed to dealer and am awaiting their diagnoses tomorrow.

Any ideas?
Oh, the warranty expired May 10th. Thank you Mr Murphy...