Also, people are reporting the catleap hitting 80-90 refresh rates.
Yes, and there's a community building up now that's managed to get the manufacturer to resume production of the model that can be "overclocked".
27" 2560x1440 IPS monitor, that can be made to perform 100-105Hz refresh on most modern video cards, and up to 120Hz with cards that allow pixel clocks above 400MHz - currently the only confirmed card of such capacity is the nVidia GTX 680.
The Catleap can be had for $350-ish from e-bay, and is good value according to testament. The 100-120Hz-enabled revision is currently being manufactured in limited quantity (1000 pieces) on account of popular demand from the people at
http://120hz.net.
I've ordered one such screen myself, following the same kind of community geekage that led me to get a mechanical keyboard due to this site.
As for input lag, this baby has only one DVI-DL input, no OSD and no resolution scaling, so pre-display processing is minimal.
I hope I'm not breaking any forum rules for posting this, but people love this screen, and soon I'll have one