At first I was very pleased by the sheer speed of the monster than anything else. Color quality isn't as consistent as one would hope.
Solid colors come out uneven and sometimes streaky.
That I could live with, knowing it was printing out so fast. But I drew the line when my large, graphic intense projects literally gave my 2135 a hernia. A one-page, full color tabloid size layout has been almost impossible for me to get out consitently. The file was a 45MB pdf and the 2135 would choke every time. I consulted with xerox's tech support, which I was excellent.