The German Porsche dealers have already listed some new and used Boxster 981s for sale.

See them here:  http://www.autoscout24.de/ListGN.aspx?vis=1&state=A&atype=C&make=57&model=1955&cy=D&page=1&maxresult...

Most are black. In fact I've noticed that it seems to be the dealers colour of choice (certainly true of the 991) for their demo cars. Not sure about the black one with the custom gold wheels! :)