Is it possible to run dwm from suckless.org on two different monitors in archlinux with nvidia 8600gts graphics card?

Question

Iron

Is it better to install video drivers proprietary nvidia 340 or open nouveau?
Installation - xeon s771 (e5450) with jumpers on mb lga775 (asus p5g41t-m lx3.) By the way, it works, arch is wound up.
And, conceptually, do people with such knowledge and skills generally spend time resuscitating scrap metal, or is an engineer’s time more expensive than iron on the market today? The third day I'm racking my brain about the archwiki, and in half a year the whole setup will have only archaeological value.