I spotted this while reading another post on another forum so will post info for US members. I have no idea how long this price lasts.
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=916163 Piece Titanium Nitride Coated M2 High Speed Steel Step Drills Item 91616-0VGA
$9.99
Drill 28 Hole Sizes!
This compact set replaces 28 individual drill bits.
Automatically deburrs holes as you drill
Two-flute design gives you faster, smoother cutting
Titanium nitride coating for cooler running
Quick-change 1/4" hex shank
M2 high speed steel for long life
Sizes: 3/16" to 1/2" Six Step Bit (3/16", 1/4", 5/16", 3/8",7/16", 1/2"); 1/4" to 3/4" Nine Step Bit (1/4", 5/16", 3/8", 7/16",1/2", 9/16",5/8",11/16",3/4"); 1/8" to 1/2" Thirteen Step Bit (1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2")
Hope this heps someone
Cheers

Don