I've never used a track saw, are the tracks different between each brand? Right now I use a regular circular saw with an 8' Lufkin straight edge but...
If you think you will like it (it's not for everyone) then spend the money to buy a decent one. The first step is trying to figure out what you want...
It's up to you to figure out if it's worth doing but what I would do is get a dye penetrant kit and test the backside of the table to see if it goes...