Deep Purple are still kicking ass, despite the fact most of them are over 60. Here is a song written over 40 years ago, probably one of the founding songs of the heavy metal genre:
And here is one more, with a guest performance by a certain Mr. Blackmore
I love the Italian band called Eiffel 65 (look at my avatar ;D), for me they're great and amazing. I used to listen to their music in childhood and I listen to it today. Also I like Bloom 06, Alphaville, Bodyrockers, New Order... And some rock/metal bands as Metallica, AC/DC, Guns & Roses, Deep Purple, The Scorpions.