I've noticed there are some really good poetry performances on youtube/elsewhere on the web. Here are links to some pieces that I enjoyed - y'all should post some that you like too!
Slip of the Tongue (Directed by Karen Lum):
http://www.mediathatmattersfest.org/watch/6/slip_of_the_tongue
Talk to Me Poem (Nikki Giovanni):
http://www.youtube.com/watch?v=k9HbqMzgxzg
Hands (Sarah Kay):
http://www.youtube.com/watch?v=pn0zAUVkCgE
Give Me a Chance (Beau Sia):
http://www.youtube.com/watch?v=bmiTaofCwr0&feature=related
What Teachers Make (Taylor Mali):
http://www.youtube.com/watch?v=tpog1_NFd2Q
Hot Shit (Amanda Diva):
http://www.youtube.com/watch?v=OxSW7SNhbLg
anything by Suheir Hammad (also on youtube.) Even her interviews are amazing.
"Not Your Exotic, Not Your Erotic"
http://www.youtube.com/watch?v=eVkylZEgsY8
"We Spent the 4th of July in Bed"
http://www.youtube.com/watch?v=t5OBiQv-cSw
"First Writing Since (Revision)"
http://www.youtube.com/watch?v=SNfec7Fa2Cc&feature=related
Interview (has biography info):
http://www.youtube.com/watch?v=MHqm1CqxJ5s