Short answer: I really like the new dash for the 360. The old ‘blades’ system was efficient (excluding Marketplace, which got hugely unwieldy due to the amount of content) but about as attractive as the back-end of a donkey, and pretty confusing for a newcomer. The new, clearly coverflow-inspired aproach is infinitely more attractive and welcoming. Navigation is in essence the same as the XMB on the PS3, only transposed - i.
This is kind of interesting, because I’ve certainly noticed the noise that Fable 2’s data streaming causes: I only have a regular old-skool 20GB HDD in my 360, but I seem to constantly have around 12GB free anyway so I’d be willing to burn 6.8GB on this kind of noise reduction.