If the Mac Pro is really done, I'm moving on. I'm not bitter about this, because I had a good time as an Apple/Mac user for more than a decade. Coming from Linux, where multi-screening is still not at the level of Windows 2000, OS X provided a lot of the Unix comfort for me in a safer and much, much saner environment. It is, however, clear where Apple is going. Over the years, OS X users have been steadily disempowered. At some point in the future there will be a merge with iOS. Even though I still consider it my digital home, it feels to me like a declining platform.
The real question is indeed one of alternatives. I dread going back to Linux where I'll wrestle with configuration and braindead-by-design features once again. Nothing else has stepped up in the meantime, but maybe there will be something new one day. One can only hope.
However, since i really enjoy having a 17" display (+27" via mini-Displayport) i can't quite see myself "downgrading" to a 15" machine once the current MBP is going to be replaced :(
using awesome wm for a triple head setup, which i guess is a lot lighter than unity or whatever.
I ran the same thing but in reverse before, windows 7 with a couple of linux VMs, for making web stuff to run on linux servers it was painful.
oh, and is it's vaguely relevant i bought the bits for a grand total of £700 excluding screens/keyboard/mouse/optical drive.
And sure there are lighter ways to test different browsers, but I don't trust them, been caught out before by silly differences like font rendering, testing eflyers outlook express/outlook etc, in the multi-ie-in-one-app things before, now i have a one-keystroke switch between an environment i can trust 100% to be authentic, and is easy to move around too.
basically using vm's in this way is one of the things that let me sleep at night.