Then you should really check out the BDC Meta Man! It will get you going in seconds, and it offered at a very good price. The tool creates an Application Definition straight from the database tables or the web services wdsl files. Your data will be accesible in SharePoint by point-and-click.
Check it out on: http://www.bdcmetaman.com/default.aspx
After that you can spend time on challenging data integrations (if needed :-))