sur le site ps2 de vf 4 sur sega.com ... il raconte que virtua fighter 4 sera composer en plus de 63 000 000 de polygones par seconde... ca cest incroyable... et il a l´air rapide aussi. 
Two new characters (Lei Fei and Vanessa Lewis) join 11 VF veterans for a grand total of 13 fighters, each with their own unique styles based on real martial arts.
New counters and defensive moves allow players to switch up their stances and fighting styles mid-bout.
High-polygon character models, exquisite detail, and brilliant light-sourcing combine to create breathtaking visuals.
Coach your own AI character -- train a computer-controlled character through sparring and an easy-to-use rewards system, then pit your character against a friend’s or challenge the arcade mode.
A new accessory system allows you to customize your character’s clothing, sunglasses, hairstyles, and more.
Unlock special items that let you to learn devastating new moves.