Windows SATA speed on any other of the Xeon 5100 workstations being offered by Boxx or Dell is normal, while on the Mac Pro, SATA drives run somewhat faster than an internet connection.
Guys:
A PC graphics card will work just fine in a Mac Pro - in Windows.
You'll still need to be using the 7300GT to drive your display when you're using Mac OS X because Mac OS X is blind to non-EFI graphics cards while Windows isn't.
Man, anybody got news about when the X1900-equipped Mac Pros are shipping? Somebody on the Appleinsider forums said that a sales rep they had talked to said they'd be shipping this week...