PvE = 4/5
Pros: Loved the shear scope of the world. Absolutely beautiful. I loved how exploring also gave you EXP. It really encouraged you to explore every corner of the map (and it was well worth it).
Cons: Some of the hearts felt quite grindy though, which I wasn't too thrilled about. I also didn't detect the slightest semblance of a storyline lol (although I didn't go beyond level 14).
PvP = 5/5
Pros: By far my favourite part of the game. There was definitely a learning curve associated with the combat. However, once you got it down, you could hang with anyone. Lot's of different roles to fill. I wasn't sure how the no trinity system would work, but I ended it up absolutely loving it.
Cons: There are certainly some balance issues to work out (namely engineers being too weak), but aside from that, I didn't find anything wrong with it.
WvW = NA
Only played for a few minutes.