With Mixed Doubles you eliminate a lot of excessive thinking.  Should I get some of the Champion Chunk, oh... but the Hunky Punky look good, and the Choco-Bomb... Rumazin, the Sun Dollar, Appledoodles.  Get one of each... get whatever you want.  You're in control.   You won't have to click around, hopping back and forth between the signature cookies, and mulling over which to get... get 'em all.