hmmm... well... deadmou5 has to be up there. he has and continues to be one of the most influential and talented musicians in all modern music, great artist.
daft punk will always be one of my favorites, again, very influential.
The guys from pendulum make some pretty good stuff as a whole, even though they arent really a "DJ" they are one of the greatest electronica artists ever and are one of the true forces to impact drum and bass
ive also been a really big benny benassi fan. he makes great music
to throw a few more out there,
burial the chemical brothers infected mushroom paul oakenfold skrillex showtek
You forgot the Blue Men group!! Not Dj's, not actually sure WHAT they do... Lolz. They look like Smurfs.
Skrillex(I think he's more into Dubstep) Daft Punk(Techno, electro) Benni Benassi(He does house, mainly) DJ TIESTO(Everything) Basshunter(Techno, trance) Eiffel65(Everything) Waterflame(probably never heard of him, but he's BEASTLY, everything)