,Thanks for the explanation.
network issue! I live in china for the past year and I guess the ML is just another thing they don't want you to have on your precious Mac.
Issue was sovled thanks for this recovery USB set:
http://forums.macrumors.com/showthread.php?t=1401529
A few more...
DeltaMac
I have the same problem, I'm trying to install a clean version of mountain lion, but I keep getting the same msg "can't download..."
I tried the Internet recovery and USB, and I tried also what you said about partition 1.
Like you probably know I can't touch the RAM in the new Macbook...