The chip antenna is DK 712-1003-1-ND, $1.52 per or $1.212 in 100 quantity.
sparkfun.com has it for about the same price.

DK doesn't carry the GPS chip itself, but www.semiconductorstore.com has it 
for $37.77 or $29 in 100 quantity... sparkfun.com is a bit more but ok for
prototyping?