Debin: BHphotovideo have the Xoom running 3.1 for about 650$ NZ delivered + GST.
Bit of a saving! Sure, have to send it to the USA in case it goes wrong, but meh, I think you'd be fine 99% of the time.
Though I'm not sure if its the sim -card -able model, not too sure about the xoom.
http://www.bhphotovideo.com/c/product/759029-REG/Motorola_00001NARGNLX_Xoom_Wi_Fi_10_1_Tablet.html
it quite clearly says it's the WiFi model, both in the description and even in the URL you pasted into your post. The XT one is 3G+ WiFi