I'm not a major rap fan either, although Ovi has done his level best to win me over.
As for albums, Macklemore & Ryan Lewis's
The Heist is still my favourite (as the howls of derision rise).
Oh, and there are some tracks on Techno Animal's 2001 album
Brotherhood of the Bomb that feature alternative rappers like El-P. For me the best of the bunch is "Piranha", feat. Toastie Taylor:
https://www.youtube.com/watch?v=haRzBWSgAzo