A little more info (I typed that last post from my phone and so I kept it short): fH is not hiding content from you... its likely base camp just offers a minimal RSS feed to get you to log in. Full text articles is a long shot but its something anyway.
There is one advanced trick fH can pull off that may work for you that will auto-log you on. Under the settings for your base camp feed, go to the advanced category and enable 'POSTing". in Text put:
username=yourusername&password=yourpassword
See if that helps. If not, you can then go back to advanced and turn on "Custom URL" and put:
https://launchpad.37signals.com/basecamp/signinI don't have a basecamp account. If you want to PM me a temporary user/acct Ill dig deeper and see if we can get it going for you.
-d