I just listened to this other new Metallica song, and there is actually a pretty decent riff in it, but low and behold, James Hetfields abhorrid post Y2K-vocals have returned (worse than EVER in fact, like this makes his vocals on St. Anger look amazing), and then the other riffs are just lame. Lars's drums sound like crap, and Kirk is recycling solos (though to be honest with Kirks really not that good of a guitarist anyway).
And where the hell is Rob!? I was actually really excited when I heard Rob Trujillo was in Metallica becaue I am a big Suicidal Tendencies fan and he played some sick stuff with Suicidal (everyone who's never heard this before YouTube "Send Me Your Money" by ST and listen to the bass solo). You can't even hear him on any of these songs. I dunno, I personally think I'm gonna pass on Death Magnetic, unless these are just the worst songs (which I doubt).
I personally think that Megadeth is where it's at...their 80's stuff is just as good if not better than Metallica and unlike Metallica, their new stuff is actually pretty good. Can't say so much for Mustaine as a dude though...