If you are looking for a "better" version in terms of quality, the community has developed several enhancements:
“He’s right. I’m sorry. The Wii ISO has faster load times, native 480p component output (not just interlaced PS2 garbage), and GameCube controller support. Plus… you can play as Arale Norris via a code. That’s not on PS2.” dragon ball z budokai tenkaichi 3 wii iso highly better
: While the Wii version natively runs at 30 FPS, modern emulator patches can push it to 60 FPS for smoother gameplay. Optimized Emulator Settings If you are looking for a "better" version