Blunderbuss by Jack White
I am really interested in Frank Ocean. I'm sure his album will be great.
But a lot of mainstream album have been good as well. Born & Raised by John Mayer is amazing.
The Black Keys' El Camino tho released in December of last year.. Its amazing
EDIT: So I can put 2011 releases?
Of Monsters and Men - My Head Is An Animal
Arcade Fire - The Suburbs (I'm late but I have discovered this just this year)
Dawes - Nothing Is Wrong
..and a lot more