I notice on the new dashboard update you could download a game to hard drive and play it with your game dvd in it, Has anyone found a way to play these games with the dvd not in the xbox, I know the xbox 1 had a feature like that where i could backup my game take the dvd out and still play the game,

By the way are they any custom dashboard yet for the xbox360 (for example how the had unleashX for xbox1 and so on)

Nope.
Xbox 360 isnt hack. Only the dvd drive firmware is which lets it play burnt disks.
And the xbox also checks the disk every so often to make sure its the real game and that the disk is still in the tray.

thanks

wait so if its a backup disk in the tray it can tell afterwards?

no he means that when you play off the HDD it will stop spinning the disc and not use it so people have been opening up the dvd drive and using that 1 disc to boot up say 3 copies of halo 3, so now the 360 will spin up the disc every so often and check to see if it is still there