At the Xbox 360 Community Roundtable at E3 on Monday, I learned a few more small but potentially significant details about the upcoming revised Xbox 360 dashboard (aka the New Xbox Experience).

• Players will be able to rip any Xbox 360 game past, present or future from their discs to their hard drive. This may speed load times, but more importantly for those of us who can’t hear our vacuum and lawnmower over our 360, this means we can play games without a noisy disc-drive spinning.

• The full Xbox Live Marketplace will be browse-able via the Web, enabling system owners to purchase or rent games and movie content via a web browser. And if you have your Xbox 360 on at the time of a purchase, the content will immediately begin to stream to the system. This is good for people who decide at work what movie they want to download at night — as long as you’re the kind of person who keeps their 360 on when they leave the house. Hmmm. Maybe Microsoft needs to borrow the remote-access idea from Sony, which allows a PSP to turn on and off a PS3.

• Even though I can still use new versions of Microsoft Outlook while keeping the program looking like an older version, I won’t be able to keep the current blade-based Xbox 360 dashboard layout when the fall update is activated. We’ll all have to be happy with the new look of the new dashboard.

• Lag times are being reduced. Xbox Live general manager Marc Whitten told reporters at the roundtable that he has more than 140 Xbox Live Arcade games and doesn’t like that when he goes to the XBLA blade he has to wait several seconds for the icons representing each game to load. The new dashboard will just about do away with that kind of lag. When one blogger at the roundtable asked if he’d confirm that all dashboard stuttering and lag would be eliminated, he declined. But he did say that’s the goal.

• The new Xbox 360 dashboard will do everything the old one did. Zero functionality has been removed.

So, Xbox 360 owners, are you sold on the new dashboard? Well, too bad if you’re not. There’s no choice in the matter. It will be available for all 360s some time this fall.