Are some years of NAD 2200 better than others?

I've noticed some sell on Ebay for considerably more than others.

fivefasts03-12-2009 7:15pm

shsu Details Discussions Posts This discussion Message User 19 posts 03-22-2009 at 05:43pm Copy Comment URL Report Comment Edit Delete i think there was a X version and a non X version i had the 2100 which had these two versions, only on the label and on the box but not imprinted in the unit