is slow as basically emulation, if u wish decent fps, use a ps2 to play the games 
speed issues currently are not top priority, compatibility is, you can try using vurecs mode, however it still wont make any game "perfect" as such.
see: http://www.ngemu.com/forums/showthread.php?t=62230
speed issues currently are not top priority, compatibility is, you can try using vurecs mode, however it still wont make any game "perfect" as such.
see: http://www.ngemu.com/forums/showthread.php?t=62230