[ocicat]

Originally Posted by Mr-Biscuit

setenv doesn't work nor does it exist in the release I have installed.

See env(1). Likewise, see the manpage for whatever shell you are using. Outside of the C shell, most shells also support:

$ export variable=value

How do I change from XFree to Xorg?

As mentioned in response to your original post on BSDForums, see:

http://wiki.netbsd.se/How_to_install_modular_Xorg

I used the amd64 port, should I use the x86_64 instead?

Without knowing anything about your hardware, it is difficult to recommend anything.

sound is choppy.

Again, not knowing anything about your hardware, it is difficult to comment, however you may gain information by reading Chapter 11 of The NetBSD Guide:

http://www.netbsd.org/docs/guide/en/chap-audio.html