Here's a list of files provided with SID v1.06:

CONTENTS ........... what you are reading now
README.NewUsers .... read this if you have never used SID before
README.RegUsers .... please read this if you are a registered user
SID ................ SID v1.06
SID.config ......... generic SID.config file
SID.ConfigDocs ..... documentation for the SID.config file
SID.Docs ........... documentation for SID
SID.IFF ............ shows the SID window and hidden gadgets
SID.info ........... icon for running SID from the Workbench
SID.Keys ........... lists command-key shortcuts available in SID
SID.MiniDocs ....... read this if you have never used SID before
SID.Subscription ... information on how to have SID delivered to your door!
SID.UpdateDocs ..... lists changes made in previous SID updates (v1.01-v1.05)
SID.Updates106 ..... lists changes made in this SID update (v1.06)