"CUPERTINO, California-April 7, 2009-Apple® today announced an updated Xserve® that delivers up to twice the performance of the previous system.* Using Intel "Nehalem" Xeon processors and a next generation system architecture, the 1U rack-optimized Xserve delivers up to an 89 percent improvement in performance per watt.** Xserve is available with up to two 2.93 GHz Intel Xeon processors and industry-leading storage options that include a low-power solid state drive (SSD) and up to 3TB of internal storage. Starting at $2,999, Xserve includes an unlimited client license for Mac OS® X Server version 10.5 Leopard®."
Yep, even the Xserves get updated once in awhile. I've never actually seen one in use anywhere, but I hear they're pretty nice. I mean, really, you can't expect your humble Executive Editor to know every Apple product back to front, right? Don't expect a review either; Apple doesn't like giving review units to us smaller guys and I ain't layin' out $2,999 for one (although if I had that kind of bread, I'd consider it!).
In all reality, though, the specs are pretty impressive and if you can't bear the thought of letting a Unix / Linux / Winders server onto your network, here's your option!