~BEWARE THE LEARNING CURVE!~ ns - Steep learning curve if you want to do groovy stuff in c++. opnet - Technical support for opnet SUCKS! even when you pay for it. Omnet++ - [I've not yet used this s/w] cnet - IMHO The BEST teaching environment for computer network simulation that i've found.
Downloads / Funky / Good tools
MikTex - LaTeX Compiler for Win32 environments. There is also a CTAN mirror off mirror.aarnet.edu.au TeXniC Center / Download - A Nice TeX editor with many features i've yet to use :) JabRef / Download The Jabref BiBTex editor Excel2Latex V2.0 An excellent utility I found 5 minutes ago that I HAD to link to. It converts a range of excel cells to a LaTeX table! Local download VLC plugins Good doco on how to use the VLC plugin for mozilla and ie.