Niklas Heidloff from IBM added a nice page to the CompApp wiki today detailing how to use a Notes 8.0.1 feature to open a doucment in a CompApp on a specific page. This is a nice approach and in many cases better than the Notes 8.0 way where a document would open the on a new tab.
More info at the IBM developerWorks CompApp wiki: Open Notes Documents on Pages