I don't think a track saw is a table saw replacement. Even if the track is perfectly straight, positioning it is done with a measuring tape and a pencil. How accurate can that be?
The average accuracy of TS is not comparable with that of a tuned table saw. For cabinet building (long cuts), I'd use a TS only for making rough cuts. The table saw with the digital fence produces better cuts faster.
That being said, track saws are portable. It's great to have one on a job site.