The new TI Launchpad: MSP430F5529

12.99US$ for a USB 2.0 PHY on MSP430!!! Great!

eZ-FET lite onboard:

http://www.ti.com/tool/msp-exp430f5529lp

MSP430 USB Developers Package: http://www.ti.com/tool/msp430usbdevpack

https://ioclk.com/msp-fet430uif/