That's tough dude :-(
The first thing my g/f says when i get a new console or gadget is 'so, you'll be opening it up to chip or mod it?' ;-D
seriously though, she musn't have much faith in you if she wont let you drop a chip in it. that's heavy...
I *think* in order for you to run xb1 'backups' *ahem*, you cant use the same ISOs you would for a modded xbox. i think the game has to be ripped a certain way so it keeps security sectors etc, kinda like how 360 games need to be ripped. You'll find *far* more info at www.xbox-scene.com. Happy...
If you like FPS shooters, I highly recommend 'Black'. You can pick it up 2nd hand for about £10 in Game etc, or grab it via XBL on 360. Unfortunately it doesn't have any multiplayer, which is its only downpoint IMO.
Happy hunting!
its now on a.b.the.terminal - heres the NZB, as quite a few peeps been asking ;-)
(cant attach to post, so have upped to rapidshare - wzrd-ssbb_nzb (zipped)
Edit: doh - didnt look at last few page. looks others have already mentioned its on a.b.t.t - sorry for repeating the info!