I think the green is kind of cool for the interior. Yes as the above posters say do not be in a hurry. Lots will come on the market in the next few months. Lack of receipts worry me. Yes it could have been in an accident. Try several Boxsters. Get the options you need - heated seats? Windblocker etc. Enjoy your search but be patient.
You can save $$$$$ by getting the right one. Meaning one that has been well maintained.