In the past couple of months, I have run into issues deploying the CRM Forward Rule to Outlook 2007 clients. 
If you are facing this issue, you may wish to try installing the CRM 3.0-Exchange E-Mail Router Update.
While the documentation doesn't actually state that issues related to Outlook 2007 can be solved by installing this update, it [...]

Greetings Folks,
I have a utility that performs a bulk-delete to remove the contents of a CRM Entity.  If you are in a position to test this for me, and have a test environment that you can recreate if something goes horribly wrong, please let me know.
mitch at infinite-x dot net
Thanks, Mitch