Here's a nasty one that's making the rounds. It's a new phishing email that had me thinking about it:

From: adwords-noreply@google.com
Subject: Your ads have been suspended.
Date: May 13, 2008 4:06:01 PM EDT
To: jonahan@*****.***
---------------------------------
Dear Google AdWords Customer,
We were unable to process your payment.
Your ads will be suspended soon unless we can process your payment.
To prevent your ads from being suspended, please update your payment information.
Please sign in
to your account at http://adwords.google.com/select/login,
and update your payment information.
-------------------------------------------
This message was sent from a notification-only email address that does
not accept incoming email. Please do not reply to this message.
-------------------------------------------

When you click the link it takes you to: http://www.adwords.google.com.onlinecdx.cn/select/Login/. Sons'a'bitches.

Always look at the domain name, peoples! Be wary...