Matt: So is it great, or just "pretty good"? 8) Anyhow, it's something we're interested in as well, but as I said, it's certainly not something we've ever announced. We'll see what happens in the future.

speedy: We don't have a beta, nor a small update, ready at this time - we're focused on getting 4.5 out.

If the official Lion release beats our release of Airfoil 4.5, we'll have to consider doing this. Until then, however, sticking with Mac OS X 10.6 is recommended.