tig3rbait :
i dont really plan on using Eyefinity.im looking at some lcd's and some have led backlight.what does that mean and is it something i should look for ?
It allows them to make thinner panels. Basically, the "old" LCDs have a CCFL (neon stick in everyday language) whose light passes trough a diffuser to spread the light evenly. That light passes then though the LCD matrix.
LED backlight basically replaces the CCFL with LEDs, I think placed on the border, and passed though a similar diffuser.
LED backlight probably has some reliability advantage, as CCFLs tend to burn-out in time, while the LEDs run cooler and have higher numbers, although I don't know how some being burned would affect the image.
Do not confuse with LED monitors/TVs (like the OLED TVs), which are no longer LCDs. LCD=pixel matrix which selectively blocks/passes light (well, non-monitor/TV LCD displays don't use pixels, but you get the general idea). Those are the really expensive ones.