Why we are on Illum?
The Gree want us to beat the snot out of Aliens and each other for Research.
What do we get out of it?
The snot beat out of us.
Really? That’s it?
If you know how to work the system, you can get some goodies out of it. Here’s the technical information on it. Compiled by an individual far better at it than I am.
Here’s the editorial I wrote on the event. Check it out on Force Junkies.