I recently reviewed Howl for the good people at Flick Feast:
It stands to reason that a film based on the most famous work of renowned Beat poet Allen Ginsberg is strikingly unconventional in its form and construction. Ginsberg was at the forefront of the Beat Generation that also brought us Jack Kerouac and Neal Cassidy and his sweeping free-verse style of poetry, packed full of sexual and surreal imagery, saw him established as one of the great modern day American Poets. Much like his famous poem, this film goes off on various tangents and follows several differing threads in unison.
You can read the full review here: