Aha, thanks! But I didn't mean to just show off a good deal ;-).
At least where I am, NS, Canada, there's been a ton of MBAs hitting the used market. Several are a few months old at the most, and are regularly anywhere from $2-400 off new (and you save the taxes on top of that). Every now and then you get a "super deal" like the one I got.
I don't know why but macs don't seem to be holding value as they used to. Probably because as more people buy macs the supply in the used market is increasing.
This trend, at least to me, is making Apple refurbished seem like a much worse deal. I could purchase Apple Care and still end up under the pre-tax cost of a refurbished i7 air.
Best of luck to the OP!