Help with a build 700 and under

Hello all I need some help on a build for a friend he has 700.00 to use I gave him a case and liquid cooler and 1600 drr ram and fans and windows 7 so he won't need any of that


he will use this for 100% gaming only that is it


he must have an x58 MB since the liquid cooler is for that line of I 7's I would perfer an nvidia card and not ati let me know what you all can come up with



Thanks