It has some fundamentals every other MMO has too. Expecting something else by now is just naive, to be honest. Yes the Quests consist of the usual "kill X, gather y, assassinate z", but the Combat System is fairly varied in term of skills and the Game is pretty challenging, especially when you play alone. I'd recommend playing it with at least 2, ideally 3 people in a group. The Story is well crafted and interesting, there is a lot of focus on Lore (Which is fantastic for me as a Roleplayer), and the Game generally just looks really good.
Path-wise, I can only comment on Soldier and Explorer. Soldier consists mainly of Missions defeinding against Waves of Enemies, killing priority targets in certain locations, or rescuing people. It's nice if you dont want to stray from questing too far and just want some added XP while leveling. Explorer is really cool if you like to check out all areas and like to search and hunt for stuff, but involves a LOT of walking and can be a tad too time consuming for impatient people. Settlers are immensely useful, but I hear their Gameplay isnt too great. Scientist is an obvious choice for Lore-freaks and Roleplayers, and I wouldnt want to miss one while Leveling. There are certain hidden Areas and Quests you can only complete by combining multiple paths, which awards you Lore, XP and cool Items. The Housing is also really, really great.
If you're not into MMO's in general, stay clear. There arent any ground breaking innovations or changes from the Formula to convince die-hard "MMO's suck."-People. I'd say it's a lot better than 75% of the other generic MMO-crap that came out recently.