Thanks to all for answering on my nVidia TNT2 Vanta concerning question.
I've just bought a videocard based on the chip and it works fine with
NetBSD-1.4.2  (XFree86 3.3.6)

Now...let's proceed to soundcards  :)
I 've got an Aurel AU8820 chipset based sound card and it doesn't supported
by the kernel (while it works fine under Linux )
I 'd like to *fix* the problem by changing the card to SoundBlaster.
SoundBlaster PCI soundcards are listed as supported by 1.4.2's kernel.
So what about SoundBlaster *LIVE!*
Peter.