If you can swing it you should consider the flat panel 15inch. It feels bigger than it is because the *entire* screen is utilized, unlike most CRT displays.
The picture quality is amazing; the power, USB and digital signal are all carried in the same cable from your cube. Since there is no analog conversion of the signal, there is no noticable degradation at all. I was pleasantly surprised as the initial reason I bought it was because I could bring it back to china in a suitcase, but I've been designing on it for the past several months here (coming from using a sony 21 inch CRT) and I have no complaints.
Not to mention that it just looks so darn cool...
John