Huh, I played it a few years back when all the Star Wars games were on sales and I thought it was rubbish. I think the worst part was how terribly mind-numbing I found the combat. From what I remember, your standard blaster took for ever to kill anything but standard battle droids, sounded weak, had zero recoil, and had just enough of a wide firing cone to cause rage, and I couldn't even use it as a main weapon because of a lack of ammo. I had to use the pistol almost half the time. The two other weapons that weren't disposable pickups, the sniper rifle and the grenade launcher, had just enough ammo to kill a super battle droid once a while.
I don't remember the levels being that interesting either, and they were sprinkled with just enough "do something instead of doing nothing" spots to tell teammates to go towards. Apart from that, I didn't think the squad focus added much.
As far as Star Wars shooters go, I think Dark Forces trumps it easily.