Can't tell for sure, but it looks like that rotary-tool-powered saw doesn't have an adjustment for raising and lowering the blade. I imagine the modeler could jury-rig something. The blade doesn't tilt either. And it doesn't seem to have a slot for a miter gauge.
MicroMark sells two small chop saws: http://www.micromark.com/microlux-mini-miter-and-cut-off-saw,9639.html and http://www.micromark.com/proxxon-mini-chop-miter-saw-for-hobby-use,8531.html . The second one is bigger - and it's made by Proxxon, which means it costs an arm and a leg.
I think that MMUSA attachment would be good for ripping - and that's about all. If so, that would make it a whole lot better than no table saw at all. It probably would be good for cutting deck and hull planks to width.
If you want a genuine miniature table saw with all the bells and whistles, there are several on the market. I like the one from MicroMark, which I believe is the only one available with a tilting arbor: http://www.micromark.com/microlux-mini-tilt-arbor-table-saw-for-benchtop-hobby-use,7500.html . It'll cost you, but if you're seriously into wood models you'll wonder how you got along without it. (For a while MicroMark was offering a version with digital readout, but it seems that one's been discontinued.)
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