Amazon.com has the Bosch CC2470 Clic-Change 12 Piece Starter/Driver Bit Set
for $4.26 and FSSS Eligible.
Link: http://www.amazon.com/Bosch-CC2470-Clic-Change-Starter-Driver/d
Technical Details:
Quick-change bit system for fast, one-handed load and release
Change bits without re-chucking for more productivity
Eliminates looseness and wobble for fast and easy bit changes
Fits all 3/8-inch and 1/2-inch drills for dual-use versatility
Accepts all 1/4-inch power hex shank accessories