A novice home mechanic can change all 4 corners with new pads in about an 60 to 90 minutes, its probably the easiest job you could do on a Boxster.
Tools needed: Porsche Jack and lug nut wrench located in your spare tire area, Plus some needle nose pliers to remove the sensors and 1 retaining pin.
Replacing with OEM Pads from Pelican would cost under $400 plus 1 hour or less for a skilled mechanic at $100/hr, so I figure the price is inflated by $2500 or more.
Another dealer that overcharges, has no respect for customers and takes us for fools.
We need a Name/location of that place to add to the

list.
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"It broke because it wants to be Upgraded

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2012 Porsche Performance Driving School - SanDiego region
2001 Boxster S, Top Speed muffler, (Fred's) Mini Morimotto Projectors, Tarret UDP,
Short Shifter, Touch Screen Dual Din Radio, 03 4 Bow glass Top (DD & Auto-X since May 17,2012)