iTunes 6 does offer video previews, in just the same way you can preview music — with 30 second clips — but you need to update to Quicktime 7.0.3 to watch them. Downloading…
And here’s a quick tip, while we wait. A friend recently was organising music for a quiz night. It was the kind of thing where you play a few seconds of music so the contestants can guess the artist. Well, what better use for the Music Store’s 30 second clips. We recorded them with Audio Hijack from Rogue Amoeba and the job was done.