The Sbs setting looks uber fine to me. I think that you may have an alternate color mod, a bit of matte, to fit with the icons. The sliders could be a bit thinner. Its an excellent theme so far, Summertheme!!
Hey toto, Im sorry if I haven't been responsive lately. I got ip banned from macthemes, and have not been able to access the site. The only things that i've seen wrong with your theme, is there isn't enough icons. I apologize for me not being able to access you.