Made an account just so I could put my two cents in. Anyways onto my review
Pros: The weapon customization is a great new feature and I really enjoyed being able to use attachments on any of your weapons, being able to upgrade them was great that you could hold more ammunition, damage, etc.
New locations and revisiting old ones, I've always loved the detail they go into with designing the planets/space stations and they look even better in the most recent entry, it was also interesting to revisit some of the planets from the first game as well.
Powers: Probably the greatest thing I liked about the powers in this one is you could evolve them into hybrid powers maximizing their lethality or defense which was a fantastic addition.
Cons: No data install on the PS3 version, this is a very big problem if you play for an extended period of time, the frame rate will start freezing up and there's graphical and audio errors that will happen including the most common one on my end which were character models/name not even loading on the squad select screen. Would've really liked it if they had a data install feature so the game isn't constantly having a hard time loading.
TIMs death: This one really bothered me as I don't know if they were lazy or just didn't know how to kill him off but it was identical to sarens death in ME1, choose paragon/renegade option they commit suicide.
Hacking gone: I may be some of the few but I was disappointed that the hacking was removed in favor of auto bypass or things already being unlocked I quite enjoyed the mini game as it added a little incentive to getting the credits/upgrades you needed.
Ship upgrades from ME2: I noticed when I started my game that it informs you that your ship upgrades would carry over into the new game until I beat the game I realized they didn't really serve much of a purpose, you never see the upgrades in action and I think you only ever see the normandy shoot rockets once, not one use of the thanix cannon.
Multiplayer required to get the "best" ending: This is a major problem for people that don't have internet or internet that isn't stable enough to play the multiplayer so they can't ever get enough war assests and it should be re-evaulated
Lack of dialogue: Like it says just a lack of dialogue in general between your squad, shipmates, etc and it's a little disappointing especially with older ME2 characters and aria
Endings: I'm no fan of the endings either and they've been exhaustively discussed on here and I agree on all points, but I do wish to touch on points that may or may not have been touched. What happened to the council and bailey? What about the assests I used to upgrade the defenses, you don't even see any reaper corpses nor alien ones, just piles of humans bodies. Lack of assests showing up in cutscenes/final mission including the geth, rachni, hanar, elcor, arias merc squads, the spectres, and the shadow broker agents.
Overall I give the game a 7/10 due to it's shortcomings and it needing to be patched to fix the graphical/audio issues but once the endings come around I have to drop it down to a 2/10