It looks like Telis has a super sweet GPS chip, the SE880:

http://www.telit.com/en/products/satell ... show&p=129
Key Benefits
- Supports AGPS using Extended Ephemeris injection as well as Extended Ephemeris on-board generation for fastest TTFF
- Easy integration in cellular/GNSS bundle solutions combined with Telit cellular modules
- Miniature 4.7x4.7mm QFN form factor for compact devices and wearable technology
- Ultra sensitive receiver for challenging environments such as urban canyons
Best of all:
- Only ~$10
- Available through traditional distributors as well: http://octopart.com/parts/manufacturer- ... ch?q=se880
I think this would make a super awesome breakout board!