May I ask what price you got? I"ve been waiting for that sucker to 300 so I can snipe 3 of them.
Save your money and hold out for a second eIPS display.
Or browse Craigslist and see if you can hunt down something better, like an sIPS U2410.
Looking at a cheap TN display next to an eIPS display will be disappointing. And multi-monitor setups require good viewing angles, something that TN panels don't excel at.