I used Battery Junction in the US and ordered them in.
http://www.batteryjunction.com/tpen-tcr123a-.html
12 Pack - Titanium 12PK-TITANIUM-CR123A 1 11.76
Innovations CR123A 3V
Lithium Photo Battery
1400mah *
Subtotal 11.76
Subtotal 10.94
Shipping 13.56
Tax 0.00
Total $24.50
Thats approximately $2 each. Haven't found anywhere that can touch that so far.