Here are some off-the-beaten track favorites of mine:
Dada: Puzzle
Toy Matinee: Toy Matinee
Morphine: Cure For Pain
The Golden Palominos: Pure
Box Scaggs: Dig (bought it for one song... Thought other's were odd. A year later I really like all the tracks except for the one that I bought the album for which I find kind of boring now)
Alt J: An Awesome Wave.
Of course Metallica, Tool, STP, System of a Down, all have great albums out there as well