If it's still the SL2 mold then it's exactly the same as the 2009 model. It's not the SL2 unless it has the same material as the SL2.
That's what the rep said. Looking at the website the 2009 and 2010 Pro SL are the same 10r carbon. The SL2 used 11r so that would be the difference. The SL3 replaced the SL2 using the 11r carbon. So technically there is no SL2 like there was last year but the Pro SL is the same as last year.