I was thinking about XL2411Z but finally I bought LG 24GM77-B. It's cheaper, image is less blue, contrast (for spotting enemies in shadows) and colors are better. It's not IPS, but for TN and that price is pretty damn good.
In gaming those monitors are very similar but in all-day all-purpose usage (Internet, movies) you will be much more satisfied with LG. About cables. HDMI run only 60Hz. For 144/120Hz gaming DVI-D (gives you image) and Display Port (gives you image and sound) is a go.