For me, I started with Break and I wouldn't have it any other way. Most of the other albums, while I love them dearly, took time to grow on me. For other people, Break takes time to grow on them.
*Shrug*
Blueprint is as good of a start as any, but only if you aren't going to be offended by poor recording quality.
Starting with the last one wouldn't be a bad idea at all, since "Sinking Sand" is one of those songs you easily fall in love with, and it is the first track, go figure!!!