The new NAND, a Samsung 4Gbit doohickey, replaces the old 2Gbit one.
The new one has some 496MB of user-accessible space, while the old one had some 214MB.
When we will see this new 360 revision over here? Absolutely no idea. Keep in mind that it’s still the Jasper motherboard that we’re talking about here, should you have red ring of death on the brain.