I was thinking about this the other day, and I really like how he sings on MAYH, probably the best high growls he's done, as for the lows, they just keep getting better.
It seems they are releasing a box set of Death Magnetic
http://www.ultimate-guitar.com/news/upcoming_releases/metallica_death_magnetic_box_set.html
Sounds alright but the usb drive seems a bit redundant :erk: