[RawLo]

some info from IGN on the subject:

"People on forums like NeoGAF are complaining that ODST won't allow co-op with just a USB drive detected. In better news, games like Fable II, which previously prevented players from moving saves, have had their saves "unlocked," allowing you to move them wherever you wish. We can't confirm this works for every game, but if you encounter a problem, let us know in the comments."

"Flash Drives are slower than you think, and not all Flash drives are created equal. Try to find the highest read/write speed you can given your budget. Also, USB hard drives are typically slower than an Xbox 360 hard drive or flash drives, and Microsoft is recommending against installing retail games to them." (D'oh!)


"Can games be played directly from USB storage media?

Yes, but. The same rules as before apply. If you install a game to a hard drive from the disc, it will only work on the original system you used to install it. For Live Arcade games, the same confusing system is in place: a game saved to a USB device can be played on the system it was originally downloaded to, either online or offline, and by any gamertag; a game saved to a USB device connected to a system other than that to which it was originally downloaded to can only be played by the purchasing gamertag.

Yes, it's confusing. No, it's probably not going to change"