mobo/cabinet/psu

Hey there. I am a complete noob. Currently I am assembling my desktop for the 1st time and have bought the following things - logitech mouse,logitech keyboard,philips speakers [as these arent impt, I am not specifying model no.] i7 3770k processor 4 gb [2 and 2] transcend ddr3 ram 500 gb WD...