I haven't ridden either bike but I love that the Orbea is a designed by a woman. She is on the bike design team and some kind of scientist. I read an article on her in Bicycling. I believe she is a chemist responsible for the carbon, don't remember.
Amanda
2011 Specialized Epic Comp 29er | Specialized Phenom | "Marie Laveau"
2007 Cannondale Synapse Carbon Road | Selle Italia Lady Gel Flow | "Miranda"
You don't have to be great to get started, but you do have to get started to be great. -Lee J. Colan