I've had a few instances where there was no way to setup round robin DNS or a load balancer and we were looking to alternate between a bunch of software update servers. In order to do so, I've written a quick shell script to do so. Here it is, in pieces, so it makes sense.
The Intel Developer Forum makes it clear what Apple's new notebooks - which I predict will be announced Tuesday, September 16 - will offer. Will it be worth the wait? If longer battery life and higher performance are important to you - yes.
And if you weren't waiting? The new designs and features may make you rethink your allegiance to Windows - as so many already have.