I'm no forum demographics expert, but I would think that most of the people that own Boxsters don't go to forums, unless they're having a problem. So you're not going to get their "no problem" vote, because they don't care.
Buy the car because you really like it, and then just enjoy it. When it's time to have the clutch done, do the IMS and RMS at the same time.
Don't worry about Jake's 20-odd other major engine failure modes.