scrap the previous post besides the flights ;)
so... fly in -> travel to Piraeus and stay @:
http://www.piraeusdreamhotel.com/ the next day take a ferry to Santorini ( LOOOOOONG trip ;) )
and then:
http://www.greekhotel.com/cyclades/santorin/pyrgos/donnashouse/home.htm looks very nice!
the rest stays same... back to athens on 3rd and flight back on 4th....
hmmmmm ;0