USB 2.0 boards are just hitting the market (I've read some Asus and other mobos reviews recently). Some manufacturers are also shipping 2.0 PCI cards as well (MSI comes to mind). As ris stated, 2.0 is totally backwards compatible with 1.1 specs (it will run at 1.1 speed though).
Asus P9X79-Deluxe, Intel i7 3930k @ 4.2Ghz, 16gb DDR3-1600 Kingston HyperX Memory, Coolermaster Storm Trooper case, Corsair AX850 psu, Zotac 980ti 6gB, Corsair Model H100 w/c, Samsung 840 Pro 512gB SSD, Asus Blu-ray Writer 12x, Windows7 Pro x64
MSI GS Series GS60 Ghost-003 Gaming Notebook 15.6", Intel Core i7-4700HQ 2.40GHz, 16GB Memory 1TB HDD 128GB SSD, NVIDIA GeForce GTX 860M 2GB, 4.36 lbs.