Thanks for all your help!!! We ended up booking Business class all the way through on the dates we wanted (JFK-IST, IST-ATH, AST-MUC-JFK)... We even included our intra-europe flight for a total of 210k miles! Oh and thanks for the heads up on the ANA search, its pretty sweet (I used the Greasemonkey script and it worked perfectly!)
Thanks again!!
-PJ and Liz