Eric:
Dude, your email address is on your site's home page. That's how the spammers are finding you.
If you want visitors to your site to be able to email you while preventing spammers from getting your email address, you need an email obfuscator. Seriously.
Here's a link to a very simple one which is implemented in JavaScript so it should be really really simple to incorporate on your home page.
http://www.codehouse.com/webmaster_t...il_obfuscator/
You'll notice an immediate dropoff in spam.