Yeah, it's a decent game, but not the best game ever. It's got it's good points and its bad, like any game. I do have to agree with Kazuki though, I liked the beginning Midgar stuff best. Save the planet, blow stuff up.
The end boss, I also felt, was entirely too easy. What they should have done is make the boss(es) proportionate to the level of your character, like Spekkio in CT or bosses in the Lunar series. Or at least make him as hard as either of the Weapons (Ruby or Emerald).
In any case, it is worth at least a playthrough.