Check here...
http://www.microsoft.com/downloads/details.aspx?familyid=60c4d659-3249-46cc-9cb9-db128b38e399&displaylang=en
I just installed Outlook 2002, installed the connector, set up my account information, and tested mail and C&S functions all in less than an hour. This connector is client based. It's fast, simple, and pretty much transparent to the user. It does require that the user have a Notes ID, though.