You know what I fancy?
That loading screen on Flat-Life where you choose the map, defined by that text file that goes in the maps folder.
If 6D turns into a kit like FL, I think it should be lead by FL's example. Kudos to Chickenfist for a brilliant feature, it keeps people off of the console and away from external programs like Muzzleflash's HL Launch Pad.
And yes, 6D is turning into a kit like FL.