These guys are like those only completely different. They're called Dragonforce, which makes me want to shoot myself in the face, and their brand of 'extreme power metal' incorporates such thrasher elements as Geddy Lee-like vocal pitches and Nintendo-inspired techno backdrops.
Here's another interesting clip.
I honestly don't know why they're so popular. You'd think there would be a million bands out there that can go out and jam for 9 hours and accomplish essentially nothing.
Like the Grateful Dead.