Well, this is all very interesting. My day use of this machine is mostly in CAD/CAM and I do a lot of video work on it. It really is a strong server in a PC frame (Lenovo D30). When I do my normal work, its very efficient. Its just T:ANE that seems to be bogging it down. TS12 didn't use multi core or multi GPU where the new version was going to. I'm hoping the final version is more efficient. I have a personal use with a decent setup and I'll likely use it more often but I had hoped this stronger one would really shine. Ahh Well.....
What you have is a specialized CAD machine that is optimized for that sort of work. TANE has different requirements, the final version of TANE might run well on it but it wouldn't be my first choice of hardware for TANE.
Cheerio John
To add to this, it's all about optimization within the GPU and CPU. With the video card Quadro cards and their like have chipsets that are optimized for CAD work and some video work. This chipset, in the case of the CAD cards, have the line drawing primitives already built in the ROM so instead of having to draw rectangles, circles, or hexagons, the CAD software, such as AutoCAD, will just send the information for these base objects or primitives. This is why they draw these things so fast. They also have different pipelining inside too so they are optimized differently than a game card.
If you notice too that the card, as Clam1952 pointed out, has the base chipset of the early GTX3xx series. With CAD-type cards, these do not advance as quickly because the workstation users want absolute stability. Game cards push the envelope then the CAD market catches up later using some of the same technology, but usually quite a number of versions behind. Keep in mind too that if you were to get the absolute latest Quadro, you'll be paying a substantial increase over the cost of a consumer card in part due to the specialized market, and the higher premium for the other technology. With 3d cars, they have specific drivers and pipelining setups that are optimized for 3d modeling, meaning they have the base geometry shapes prerendered in the card's ROM and like the CAD cards, can pull up the base geometry. These work for solid-modeling designs, and the 3d modeling software companies, such as Discreet and Pro-Engineer, have written specific drivers to work with the optimized chipsets and these cards.
The CPU might not be as much of a problem, but then again you're going to face bottlenecks due to the optimization. a Xeon is a much different animal than it's very close relation the Intel i7, which is based on the Xeons. However, then again, the Xeon has different branching instructions which are meant to handle high amounts of data and don't have the specialized instructions for game play and other consumer stuff such as theatrics and smooth playback.
If you want to spend this kind of money on a PC, look at the Intel Extreme series processors and maximize the system RAM along a decent game-level video card.
John