That Gears of War "Mad World" commercial (linked below) is just awesome. As some of the comments at the link mention, the music helps make the commercial the thing of beauty that it is, but it's definitely awesome.
The song really works well for the video though and makes a great "theme" song for the game. The game is amazing really. It may be a bit linear, and is certainly frantic, but in a great way. The graphics are beyond stunning, just a great example of what a Next Generation video game console can do.
Granted, I've seen some beautiful images from Metal Gear Solid on the PS3 and it looks unbelievable too, but just how many PS3's are really going to be in peoples households this season, and at what price? I know I am not going to have one anytime soon, if ever, at the price they are asking for them currently. No matter how impressive the games are on the PS3, the hardware will still cost an arm and a leg and really won't be 'that much better' than what I have right now.
That question gets asked a lot and the answer (canned it seems) keeps coming up: "to keep a level playing field."
Many Quake/Unreal Tournament type players that are used to keyboard/mouse combos get frustrated at games on the consoles initially, but over time they normally adjust. Not saying that keyboard/mouse combos aren't something that should be supported, just that it seems (so far) that non-support is a design goal, rather than a forgotten feature.
I will say that my impression of Gears of War so far is that it's quite fun, but I find some of the "take cover" controls a bit less than intuitive for my tastes. I'm still more used to some other games in the FPS genre and know those controls a lot better currently. Over time I'm sure I could get decent enough at that part of Gears, but then I'd probably still suck rocks at actually hitting the things I'm aiming at when shooting (Something I always suck at).