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					Originally Posted by Topless  There is an old saying with Porsche... If you have to ask, you can't afford it.     
thstone and I have been on a very similar path.  Instead of dropping a wad on the car, we invested in the driver.  Our expenses have been pretty similar although I spent very little on the car for the first 5 years of ownership.  Only last year did I crack the piggy bank a bit with fully developed suspension, trans, clutch, IMS retrofit, waterpump, Tstat.  Pretty normal stuff with 100k miles and 60+ track days I guess.
 
The Boxster is still the most fun car I have ever owned and I will continue to push it's performance envelope at the track as often as possible. | 
	
 
Actually, the cost hasn't scared me (yet).  In ~20 track events in the Legacy, I've accumulated:
 - Brembo Brake Kit (used) - $2500
 - Larger intercooler - $1000
 - Front LSD - $800
 - Clutch / LWFW - $1600
 - Rims (to clear Brembos) - $2000
 - Springs / sways / camber plates - $1000
 - E85 fuel conversion - $3000+ (most of the cost is in tuning and tweaking)
 - Exhaust / Intakes / etc - $2000
 - And plenty of brake pads / oil changes / tires
I also blew up the original motor (not on the track), and thus have $7k invested in a built motor.  
The Legacy is very capable - other than fully prepped race cars (or really skilled drivers) I can usually out-drive everyone at the track (just open lapping days for now).  The problem I'm running into is that since this is also my DD, I can't push the car as hard as I'd like (had to be towed home last time due to split intercooler piping, as an example).  
I also have the option of turning the Legacy into the track car and picking up a different DD... but a 4-door family car can only be pushed so far at the track.  Plus, coming up with a nice DD that fits the family needs (car seats - ugh!) AND my requirements (manual, passing power, cost, etc) is a tall order to fill.
So far, the only additional expenditure I wasn't expecting for the Boxster would be the rollbar extensions - at 6'1", I'm guessing that'll be required for me.  
Since I only plan to do up to 10 track events a year (at least for now), the rest of those costs get spread out over a few years.  The only other item that I've planned for in the first year was a clutch (I'm guessing a Boxster with 80k miles won't have much life left in the clutch).  
Thanks for all the advice everyone!