Icecast - May 2005 - Feature by feature comparison with Shoutcast

Has anyone seen a current feature by feature comparison of Icecast and 
Shoutcast?

Also, how about putting on your marketing hat and tell why one should 
use Icecast instead of Shoutcast. (I'm wanting more open and I don't 
trust AOL, but, those aren't really very good sales points since those 
are more "political" reasons than benefits to the customer.)

Geoff