Hello All-
Just adding my 2 cents, I would actually go with a MS Certified DRM provider. That way you know you are getting the latest and greatest in DRM technology, support and benefits.
The below are a few links.
http://www.microsoft.com/windows/win...solutions.aspx
And
http://www.microsoft.com/windows/win...providers.aspx
If you would like to try
http://www.ezdrm.com contact we and we can set you up with a Proof of Concept account so you can try before you buy.
www.ezdrm.com