I'd buy the 03 base. If you don't have the extra hp, you'll never miss it. They're all fun cars to drive! I would have a PPI, and a session of comprehensive maintenance.
I know this one is nowhere near you, maybe consider a road trip or having one transported?
https://sfbay.craigslist.org/eby/cto/d/2004-porsche-boxster-with/6602487146.html
Get it on, times a wasting!