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I second this. Also you can set scaling to 200% in Windows, so non-high-DPI-aware apps are pixel doubled - and not blurry at all. Everything is very sharp.Actually 1440p on 24" looks very good. Due to a very high pixel density. You certainly won't need AA any more.
If you go this route, I strongly recommend looking at Dell U2515H - its really amazing screen in its segment.