www.gardeners.com - look under 'pest control' for Cat Scat Mats or
something. They are little plastic spike strips. Since you have a new
bed
you could incorporate them in there w/the plants and they'll just grow
around them.

This is along the lines of what I'm looking at -- I'm actually considering
the ones that shoot a blast of water at the animal. I still like my idea of
using a Tesla Ray Gun though.

The original message was intended to be humorous -- unfortunately an animal
rights debate has ensued. Sigh