'endurance' / 'comfort geometry' road bikes

no worries, i have this thing called google
http://www.bikecyclingreviews.com/Frame_Geometry.html

ha sorry jax, i woulda helped but i started this thread last night and then went straight out. most of these bikes are making the head tube a bit longer, which puts the handlebars up higher (so you don't have to stretch down and out as much). wheelbase tends to be a bit longer to lessen the twitchy feel that you get with some race bikes, and some of them have more flex built into the rear end to soak up the bumps. (specialized put jelly inserts into theirs to dampen the vibrations.)

compare and contrast: giant TCR vs defy