nomad 09 compared to 10..?

Since SC doesn't use the exact year model method like most brands, you'll probably just have to refer to the Gen 1, Gen 1.5, and Gen 2 designations. The current model is generally referred to as Gen 2 or such. Your question may be too general. The '09 Nomad...Gen 2...hasn't really changed to any degree, has it? But then when you consider that there's also a carbon Gen 2 design, well, that's a pretty big change...even though all the pivot and other critical points are in the same place.

There have basically been 2 main Nomad model changes, but the Gen 1.5 has a 1.5" head tube with a stronger top tube over the Gen 1. The Gen 1 would occasionally crack at the top tube pivot, and that was improved on the Gen 1.5. Very specifically I think there have only been 4 Nomad models...the aluminum first generation...the aluminum 1.5 head tube generation...the aluminum current generation (Gen 2)...and the current carbon generation. Is that about it?