Well you may just have to ask a specific question on these boards to find whether its the emu or you game. Tell us exactly what happens, what you've tried to do about it, what your hardware specs are, and what plugins you've tried using along with their configs. Heheh, you probably don't have to include all that info, but give us enough so we know what your dealing with.
As for Tekken 3 there's a special game fix that you need to enable called "short DMA chain"(this may have a different name if your using lewpy's plugin). which is a workaround for a pause that occurs after each fight. You can find it in your plugin config.
Oh and welcome to the boards. You live in Memphis? I live in Nashville. You're the second Tennesseean I've seen on this forum, but the other guy lives near Chattanooga.