I found a very interesting grid at this blog: http://inogic.blogspot.com/2011/02/difference-between-crm-40-and-crm2011.html
I have referenced it directly for your pleasure bellow, click it to view it in full size:
Great thanks to the guys behind it at Inogic. A great help!
CEO, Chief Architect and co-Founder at CRM-konsulterna AB