Search on users that are using SSO or password

Recently integrated SSO with Aha!  (thank you Chris!).  we're now going to transition users from traditional password to SSO.  I think there are some small changes you can make to user administration to make this easier.  Should be able to search on the authentication type so we can see who we converted who we haven't.  I'd also like to see a last_log_in date so we can see if a user has successfully logged in with SSO once the change is made.  Lastly - the ability to do a bulk update from password to SSO would be awesome.  Thanks.