Press with open readings for full-length poetry manuscripts: http://thelinebreak.wordpress.com/tag/open-reading-poetry-books/.
CRWROPPS: A good source of journals and publishers that are calling for poetry and prose submissions. You can also join their email list, and they will email you everyday with the new callings.
Poetry book and chapbook contests: http://redactions.com/book_contests.asp (fairly up to date).
Magna Poets Announcements: Another good source of journals and publishers that are calling for poetry ad prose submissions.
Every poetry journal with “Review” in their title: http://redactions.com/review_journals.asp.