The 5900 is a damn big card, as well. I took pictures of mine compared to my old GeForce 4 TI4200 before I sent it back to NewEgg.
The FX 5900 Ultra is long as hell, too. Much longer than the 9800.
It extends all the way to the hard drives in my brother's computer:
Does it take up two PCI slots? You betcha! Ha ha:
-Lasereth