First time i ever played Street Fighter was on ZX Spectrum.. it's come a long way since then. SF2 (the 2D arcade version) is just one of those classics that cannot be bettered.. so any update is just never going to win even though it can come close.. it loses it's ambience because it can never surpass the original.
I never quite enjoy the 3D fighters quite like the old 2D ones.. the only one i loved was the original Tekken, again because it was just superb at the time. Maybe it's just me and what i grew up with, but the retro games are just unbeatable in my mind like SWOS, Tekken and the aforementioned Street Fighter 2.
Shoryyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyuken!