Lol yep heaps....
My advice would be to check a couple of the stickies out, so you stay safe...
This is a good one to start with
http://www.gnutellaforums.com/open-discussion-topics/41432-warning-viruses-network-you-should-aware.html
If you need help configuring Limewire or transfering your files onto your Zen don't hesitate to ask....
Oh and happy downloading....