Spring 2011 was a showdown between CC (minimalist, modern) vs. Fran (neon, lady silhouettes). I think Celine vs. Proenza is a good place to start. Are you going to be a CC or are you going to be a Fran for Spring 2011? I'm leaning towards Fran, myself.
Celine Spring 2011 from style.com
Proenza Schouler Spring 2011 from style.com