What does a table saw do?
1. Rip - both excel at this plus a track saw does not have a rip limit, whereas a table saw can only rip the maximum width the fence rails can accommodate. And if setup properly there is no minimum rip width with a track saw
2. Cross cut - both can cross cut
3. Dados - table saw wins here. If you have a track saw only you need a router setup to cut dados
4. Tenons - again, table saw wins here. If you have a track saw only you need a router setup, although you could probably improvise something if you only had a track saw...or break out the chisels.
5. Bevel cuts - both are capable (assuming the track saw model in question is able to, which all I've seen are)
6. Angled cross cuts - both are capable. Table saw uses an adjustable miter gauge. Track saw you set the rail to the angle
7. Kickback - table saw wins here (or should I say loses). Can't think of a situation where kickback occurs on a track saw
8. Jigs and other stuff - table saw wins here, as a track saw is not as flexible when it comes to using jigs or similar things. But a router would probably cover you for almost anything you wanted to do. Cove moulding would probably be one thing a table saw could do that a track saw and router setup couldn't (unless you had a huge router on a nice table).
9. Ripping heavy, large sheet goods alone - track saw wins this one. You can set a sheet of MDF or plywood on the ground (on a piece of insulation) and rip it anyway you want alone, easily. Or set the workpiece up on saw horses. Ripping the same sheet by your self on a table saw is difficult. Easier on a cabinet saw setup with infeed and outfeed tables. But dang near impossible on a portable jobsite table saw (like the Bosch) even with the dinky little work supports some of them have.
Bottom line based on my experience is you can get by with a track saw, but will need a router, preferably one that you can use on the track saw track, to do some of the things the track saw can't.
But for heavy and/or bulky stuff, the biggest thing is with a track saw the blade moves through the work piece, whereas with a table saw, the work piece needs to move through the blade. This can be important when working alone or in confined space.
Now, as far as table saws go, there is no substitute for a good old cast iron Delta Unisaw or Powermatic PM 66 with a Biesemeyer fence and nice size table that can pass the nickel test!
