two-part series of presentation tips http://www.linkageinc.com/company/news_events/link_learn_enewsletter/archive/2005/10_05_washienko_execsum_pt1.aspx
thoughts on rehearsal http://publicwords.typepad.com/nickmorgan/2007/09/is-rehearsal-im.html
I like this blog http://www.presentationzen.com/presentationzen/
who gets heard and why – on communication styles (Tannen in HBR): http://www.pa-awis.org/useful/tannen.pdf