Buy the bike and strip the Di2 parts ... you will come out way ahead ...

Shimano Dura Ace Di2, Electronic Shifting Le Champion CF Team $3,699
Full Carbon Frame, FSA Carbon Cranks, Mavic Kysrium Wheelset, Ritchey PRO Bar, Stem, Carbon post

http://www.bikesdirect.com/products/...eam_di2_xi.htm