Finally bit the bullet and picked these up from my Matco dealer. They're called hyper-step and from 17/64” through 1/2” they've got a lifetime warranty, so basically for 350 bucks you get
29 PIECE COBALT ALLOY STEEL DRILL BIT SET DMC29 | Matco Tools
10 PIECE 1/8" DOUBLE END DRILL BIT HD108T10A | Matco Tools
MATCO TOOLS 29 PIECE COBALT DRILL BIT SET FROM 1/16-1/2" [COMPLETE] | eBay
1/16" HIGH SPEED STEEL DRILL BITS HD410 | Matco Tools
10 PIECE 1/8" DOUBLE END DRILL BIT HD108T10A | Matco Tools
Matco Matt - Hyper-step drill bit set!!! | Facebook