Kroll's State by State Guide to E-Discovery Laws
Check out Kroll's state by state guide to American electronic discovery laws.
http://www.ediscovery.com/pulse/frcp-rules-map/?utm_source=Eloqua&utm_medium=email&utm_campaign=US_ED_FRCP_Rules_Map_Part_2
There's a map breaking down which incarnations of the FRCP states have adopted.