well, I thought "visual artists" as in new media, so first thing that came to my mind:
http://www.enohenze.de/current/trafo/trafo.html
has a video (a bit heavy)
I don't like to dance ... but I love the technology
also:
http://uva.co.uk/
classic/modern/etc:
Hyeronimus Bosch
Picasso (which for a long time didn't like)
Dalí, of course
Bracke
Magritte
Lichtenstein
Juan Gris
Picabia
Duchamp
Kandinsky
Degas
Monet
Cezanne
Miró
Giacomo Balla
Josef Albers
Seurat
Van Gogh
Lautrec
and last but not least: Jules Cheret, father of the poster
I think my fave ones are Miró/Dalí/Monet/Cheret/Juan Gris
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One of God's own prototypes. Some kind of high powered mutant never even considered for mass production. Too weird to live, and too rare to die.