B & H Photo's recent newsletter has an article about different hardware options for improving audio on the 5D Mk II

The Sweet Sounds of HD | B&H Photo Video Pro Audio (http://www.bhphotovideo.com/c/find/newsLetter/Sweet-Sounds-of-HD.jsp)

Thanks for the link!

I had both the Rode Stereo and Mono mic. I prefered the Mono has the throw is further.