Running Warehouse is having an awesome deal on Powerbar Gel Packs. Buy any
two 24 packs for $12.23 each. Save an additonal 15% by entering the code "
CP15" under team discounts (top right corner of main page under gift card
and above view cart). Free 2-day shipping and free return shipping. All in
this deal comes to $0.43 per gel pack which is far and away the best deal
on the web.
Link: http://www.runningwarehouse.com/descpage-PBG24.html
(Note: once you enter the team discount code you can just search for "
Powerbar Gel" within Running Warehouse's site to find the gel packs)
As a side note I prefer the caffeine gel packs as they give you a little
extra boost in the later stages of a marathon or tri.