Just wanted to post a follow-up here and say that I was just stress-testing the "tweak order" functions in Release Candidate 1, and none of them seemed to induce any pauses. Bravo!

(Okay, as long as I don't hit "swap next" multiple times while the hard disk indicator is lit up, then it doesn't pause. If I hit it a bunch of times right after a track switch and the hard disk indicator is up, it hiccups just a tiny bit. But for normal usage, I think the hiccups are pretty much gone on the tweak-order functions.)

Activating shuffle still induces a very short pause, but de-activating it seems to be great. This is understandable since it's going to a lot of trouble at shuffle time.

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Tony Fabris