I have to say something: The new release is much faster than the previous one. I will tell you this: I have a Athlon xp 2200+512 MB RAM, and Geforce fx 5700le 128 mb. And the game Sonic Adventure 2 battle, runs at 4 fps with dolphin 1.2, but with 1.3 it runs at 9 fps.!! So 1.3 is faster than 1.2