Vova Galchenko is, in my opinion, the world’s greatest living juggler based on pure technical skill. Watch his most excellent video. It is nicely photographed and edited and showcases some pretty good juggling. Thanks to Egyokeo at Juggleblog.com for the link.
Update: When I discovered Vova Galchenko, I hadn’t read about many other jugglers. I’ve since discovered another top juggler named Anthony Gatto. He has set world records for juggling 10 rings, 9 balls, and 8 clubs.