These are on sale right now for $735 shipped (new) and ship from the US:
Porsche Boxster Headlight Assembly w/Clear Turn Signal Lens Halogen Left + Right | eBay
And these are always $790 shipped (new) from Latvia:
Porsche Boxster 986 1999-2004 Headlights Front Lamps PAIR LH+RH OEM | eBay
I have personally received 6 sets from the seller in Latvia and they are always pristine, new in box OEM.