The latest poll I know of unfortunately, was at the end of April 2010.
Republican Allen Wests poll shows him edging U.S. Rep. Ron Klein, 44-42
See here :
http://www.postonpolitics.com/2010/04/republican-allen-wests-poll-shows-him-edging-us-rep-ron-klein-44-42/
Thanks. See Post #9.