I have a Dell 30" (3007WFP) and a 2407WFP in Portrait mode (it pivots, but you can buy any 24" monitor and versa wall mount it 90 degrees rotated) and, while some would call it overkill, I'm sure pleased. I'm buying a buddy's 20" for good measure.
I would really like to emphasize that having 1920 vertical pixels for viewing web pages is fantastic. The 2560x1600 for most of my small windows (mail, finder, IM clients, iTunes etc.) and then the 24 showing MASSIVE webpage real estate. I generally prefer widescreen monitors, but for web pages, sure is nice to have 'em turned and it's so easy to do in OS X.
If I was to have only 1, then I wouldn't put it in portrait mode, but if you can swing 2, one in each direction is a great compromise.
I would really like to emphasize that having 1920 vertical pixels for viewing web pages is fantastic. The 2560x1600 for most of my small windows (mail, finder, IM clients, iTunes etc.) and then the 24 showing MASSIVE webpage real estate. I generally prefer widescreen monitors, but for web pages, sure is nice to have 'em turned and it's so easy to do in OS X.
If I was to have only 1, then I wouldn't put it in portrait mode, but if you can swing 2, one in each direction is a great compromise.