Table saws come in all sizes and qualities, Norm spends two shows educating us about table saws. The New Yankee workshop is still among the most instructive and entertaining shows from television, check out TABLE SAW 101.
I also found a series of videos of a fellow making his own table saw.
Homemade table saw: on youtube
As a by the way, I am as impressed with the quality of cuts and ease of use of the Makita Track saw. I have been debating with myself about whether to replace my contractors saw with a track saw.
Seeing that video keeps that questions alive for me.