Amazon has the BOSCH 9-Piece Impact Tough Titanium Drill Bit Set (TI9IM) for $18 with free shipping. drill This bit set universally fits 90% of current drill/drivers. 

Also check out these heavily discounted Bosch deals:

• Bosch HSBIM9 9 pc. General-Purpose Bi-Metal Hole Saw Kit for $38
• Bosch HS1922 4-1/2" x 17" Clay Spade Drill Bit for $50