mkopec
<Gold Donor>
Right, I was answering the question as to why you'd want a tracksaw vs. using a table saw.
Grizzly has a nice copycat plunge type track saw that seems to be pretty good.
6-1/4" Track Saw Master Pack
<p>This track saw redefines the circular saw, making traditional circular saws obsolete! Its plunge-cutting action eliminates flip-up blade guards and its riving knife reduces the risk of pinching and kickback for a new revolution in safety. And, although this saw cuts like any other circular...
www.grizzly.com
I always just made one myself from 1/2' mdf. Did the job good enough. Maybe not furniture grade, but youc an always just use it to tear the 4x8 sheet down to more manageable pieces then use the tablesaw for more precise cuts.