brush up your shell scripting, and understand (as in be able to read and modify) perl, python and ruby scripts. You will have plenty of time to do that during the course. if you can do this you will be fine. Good luck and keep us posted!
CISSP, CEH, ECSA, OSCP, OSWP, eCPPT, eWAPT
earning my stripes appears to be a road i must travel alone...with a little help of EH.net