curently i have a crosshair 5,phenom II 965x4 and 16 gb ddr3 ripjaws i think im gonna give it to my step daughter. im thinking of the maximus IV extreme-z,2600k or 2700k and some ram.MY questions are is the 2700k just a overclocked 2600k also i'd like some ideas on 1600-2000 mhz ram,im not a extreme overclocker and also the maximus MOB is a E-atx size board will that fit in my 922 HAF,i know size wise it will fit but will the mounting screw holes line up or is it a whole different layout. I can use all the tech help possible only built 3 rigs in my years all have been AMD i know nothing about intel. and im not on a budget but im not rich,I want PERFORMANCE thanx everyone