I appreciate everyone's input.
And I am certainly not one to doubt the powers of "Open Source", by any means.
@kickarse, PGP is not the current solution for companys with no money though...it costs us 20-30 thousand yearly. And that's just for maintenance contracts through PGP. It cost us a butt-ton of money to initially buy and set up. Though that included the hardware appliance, email encryption, etc. More than just the desktop encryption portion that I'm comparing right now.
Keep in mind though, I'm speaking from my "Corp SysAdmin" hat.
Personally I don't trust closed source companies (like PGP corp) nearly as much.
But back to the point, does anyone know how they compare technically?