LinkSys NAS200

I have my nas drive all setup and I can see all my files from ATV, However when I try to play a vob file or any video file for that matter it is very choppy.

I went out and bought a new gigabit router and had nothing on the network except the ATV and NAS200 and still same issue.
I have a buddy that says his works fine, but he cant tell me what his settings are(he doesnt know what he did).

Can anyone help me with settings on the ATV and/or NAS200?

Thanks in advance