Lol you're speaking about age old machines once used for movie rendering. It's not even remotely in my scope of interests. 
LOL? Age old? Well what ever suits you. You can buy OctaneIII directly from SGI brand new, today.
Current "SGI
Toyota" specs:
Octane III OC3-2TY12
Two dual-socket (two trays)
One Intel 5500 per node
Four Intel Xeon quad- or six-core 5500 or 5600 series (two per node)
24 cores (12 per node)
384GB (24 x 1333/1066/800 MHz DDR3 ECC reg)
Eight 3.5" (max. 24TB) SAS or SATA II drives (four per node)
SAS RAID controller, JBOD, RAID 0, 1, 10
NVIDIA Quadro FX1800, FX3800, FX4800, FX5800, Quadro 2000,
4000, 5000 or 6000
Compute GPU NVIDIA Tesla C2050 or C2070
Dual GigE (Intel 82576) per node
Two 1000W PS modules
OS:
Red Hat Enterprise Linux 5 & 6 Desktop
Novell SUSE Linux Enterprise Desktop 11
Microsoft Windows 7
If SGI Toyota is still inferior to your Mac, how about SGI Lexus deskside cluster (20 Xeons)?
Yeah I know, not a Ferrari, I get it...
And you would be so wrong. If it has windows it's average at maximum. Linux/BSD excels in anything but desktop use. A Mac is top of the line portable/desktop machine you can get from the shop today.
See above
Surely you were aware that once Apple booted Steve Jobs it lacked vision and leadership and it showed as inferior products. Once Steve took control back, things changed in a big way.
Well, at least you recognize things didn't change because of OSX superiority.
But you can keep on hating as much as you want and keep jacking the clumsy, malware ridden junk (don't forget to tattoo the IP of combofix download to your arm in case dns changer takes over your box)
In the meanwhile I'll continue using my several Apple products and wouldn't have it any other way.
For the record, we (my wife and I) own macbook pro among others, nice laptop, yet I don't see anything superior on it, especially not OSX.
As far as any serious work is concerned, choice is based on application and then platform, not other way around. If you don't get that, you should change occupation.
Just admit it, you're Apple fanboy.