Could always do to your truck for cup holders what I did to my jeep for cup holders.
Get a few of these cup holders
and mount them wherever you want them to be! Then again that involves putting holes in your upholstery and plastics, they last quite a while and as long as you don't shove a 40oz in there they hold up well. I originally made 3 cup holders for my old wrangler outa plumbers tape before I found those universal cup holders.
Nice buy none the less, just an option :).