I agree that taste is going to vary with each size even though they're made with the same intent. Length and burn are going to be different for each size. The longer the smoke, the more it has to go through in the cigar before it touches your lips. That will cause a difference to.

Me, personally, I gravitate towards figurados or torpedoes primarily because there is a more flavoable tip. Even a Chisel, is you punch the top and smoke through that hole, the smoke run over the top of your mouth first with is it's own intriguing taste. Enjoy!