You want your MTV? Though its focus is the music, and so sometimes you don't get the video-proper, Tubeify, a new iTunes workalike YouTube+last.fm+Billboard mashup, might just have cracked the useability issues most others hadn't. Invites seem abundant.

(Previously: experiments 1, 2, 3, 4, 4½, 5, 6.1, 6.2, 6.3, 7.1, 7.2, and 8.)

You will need a Goggle or Facebock account ≠ future of music videos.