Last week, we had the author of TDD for a Shopping Website LiveProject. Friday at 11am Ranch time, Steven Solomon will be hosting a live TDD session just for us. See for the agenda and registration link
If you're using Eclipse 3.2/3.3, you can do debugging of JSP. Just read the help file that comes with Eclipse and you'll soon be debugging your JSP on the server. If you download Eclipse 3.3 (Europa), it will make things easier for you.