For $2000 I would expect the ways to be in good shape. I am kind of doubting that from the picture. My guess is that you will be fighting the mill trying to get any kind of accuracy out of it. For an expert machinist I am sure milling accurate parts on a sloppy mill would be no problem but for a rookie like me I would want to start out with mill that doesn't leave me wondering if it is me or the mill.
If the ways are in good shape $2000 seems reasonable. If the ways are well used and not properly maintained I would pass, I think you would be better off with a bench top mill in good shape.
I passed up several mills that were tight on the far ends and loose in the middle. I do not know if you can use a good straight edge to evaluate the dissembled mill. My guess is the disassembled mill is disassembled for a reason.