iPod Smart Shuffle?

I've been unable to find Smart Shuffle options on iTunes 9. (I think that's what it's called) How do I enable it? It's that thing where you can make iTunes "less likely" to play songs by the same artist or off the same album. I don't think it automatically does this either because it just played about 15 Soundgarden songs in a row off my Grunge playlist.

ziggyonice said:

I believe they actually got rid of it in iTunes 8. I think "Smart Shuffle" was a placebo Apple made to help stop the rumors that iTunes shuffle feature was flawed.

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Dang I'm slow Is it possible at all, though, to prevent iTunes from playing one artist over and over again?