Originally Posted by ElderDruid
By the way, excuse my ignorance, but what exactly is "bloom", and why does it have to be disabled when AA is running? Thanks.
What happens in this process is that the entire scene gets rendered as a great big texture that is displayed on the screen. Since multisampling doesn't antialias textures, but polygons, any forcing of antialiasing gets lost in the process.
Supersamping *should* work, however.