Aside from the groove new PowerMac G5's, this is the best news I've seen from WWDC:

Mail improved. Everything is faster. Safari HTML rendering.

Safari as a component is a good thing. Hopefully coming soon to a REALbasic app near you.

G5s are neat. At $2000, seems expensive, but that's with Superdrive (take it out for $200 cheaper). Interesting specs show the difference between 1.6 & 1.8 GHz are more than just Hz-ige, however. Bus speeds, max RAM, etc, there are some fairly significant differences. Can't just low-ball the system.

Anyhow, neat. Apple's making some progress. Yay, IBM.