The 2009 has blue swirls, the 2010 has white. I have one of each and there is zero difference between them as far as I can tell.

Zoom-zoom - why am I not the least bit surprised that the InForm RL is the saddle for you, too?

SarahMN - if you are 135 center to center, I'd go for the 140. I'm 138 or so, and ride the 140 on all of my road bikes.