Take a look on internet for tests .The list of features are only the half story
I also searching LCD for graphics  I still have my 19 inche CRT
There 2-3 sites that always compare face to face :render for game,render text.grey render,contrast from manufacturer,contrast mesured,energy used ,colors rendering by default and after calibration,gamut mesuring,etc ......One  trusted is Les numériques in french (my language ) but i see the same in english and some other sites
The S-PVA Type seems better for colors rendering than TN type but it is also only one features to consider
For now my choice is Viewsonic VX 2255 or Dell SP2208 WFp for 22 inches or Dell 2407WFp or sansung 245t But new ones not tested are coming and seems interesting :new Viewsonic Vp2250 wb (ntcs gamut of 105 etc ) and Dell 2408WFp I am waiting for tests before i choose

Samsung 225bw and 226bw was on my list first (if made directly by samsung not others manufactured ) there are lots discussions on internet about diiferences between the same model from Sansung made by differents manufacturers :the quality is not the same

Good luck