While everyone seems to act like this game is the gold standard of storytelling in video games in spite of its decided nature as not that, the game is still one of my favorites. It does a good job of being fun, adding up to being worth much more than the sum of its parts. I do recommend you purchase and play it. The writing is cliched and the characters are mostly only one- or two-dimensional. Consider Carth, your first real companion: he is a whiny, goody-two-shoes soldier and is upset at his ex-CO for destroying his home planet. That is the extent of his character. The game makes it seem in dialogue like he's got so much going on in his backstory when, in reality, he doesn't. The famous plot twist, which you probably had spoiled for you, is pretty obvious after the first two planets. In case you're one of the lucky ones who hasn't had it spoiled, I won't be the one to do that to you. They also call it real-time/action combat, but it is so slow between every character's actions (including enemies), that it might just as well be turn-based. This isn't much of a complaint, just a point to note. I personally really enjoy turn-based, real-time-with-pause, and action combat systems pretty equally. That said, there is an easy dominant strategy. If you maximize the number of attacks you make and minimize the number of attacks your opponents can make, the game becomes a cake-walk. It also absolutely looks like a game made for the original Xbox. Graphics don't determine the quality in a game, but being pretty is always a nice feature for a game to have, and this game does not have that feature. The role-playing is also kind of weak. For tactical purposes, you usually just end up picking all light-side or all dark-side dialogue choices to max out the morality meters. What's more, the NPCs don't tend to really react to your being a dark-side character. There are moments that disprove this, but they're the exception, not the rule. The music kicks ass. It's just so great.
