Several years ago I decided to finally break down and buy a table saw. Ordered a Delta at Lowes, planned to pick it up Friday and work the weekend on some things. They sold it before I got there so they gave me a Bosch to use over the weekend. I was torn between the Bosch and Delta initially. I really liked the Bosch and ended up with the Delta because of the table mainly. My Delta is 13 amps and that can make a difference in power.
Things I would look for:
A good fence as noted above. The Delta is good and pretty accurate
Low RPM's and 15 amp motors. Some saws run a gazillion RPM's to get enough power.
Do you need to move it around? I have to move mine off to the side and the three wheels, one that lifts works great for me. Do you want to fold the saw up all the time, some of those are a pain but great if you are taking it places or moving around.
I also tried all of the saws with the miter gauge/square and some are just brutally terrible.