NY Mag has this featured up on their site called 'A History of Rap As Literature' in which they list 'The artists who flowed so fine they turned Old School rhymes into poetry.'
Lupe is featured and here's what they said about him:
2006: Lupe Fiasco - THE NEW GUARD
Keeping literary lyricism alive in an era of hook-driven “ringtone” rap.
Click HERE to check out the whole feature!