looking at 2 different pedals. first bike, so need some input. i guess my main issue is make sure i have good foot coverage on the pedal. i wear a size 15 shoe.

look keo carbon: on sale for 132 from 200 http://www.probikekit.com/display.php?code=A1468

dura ace: for 142 from 215 http://www.probikekit.com/display.php?code=D1103