It really depends on what kind of army you had in mind. Did you want to base it arrange hordes of necrons, mssive guns, monoliths or a C'Tan? Also it may help if you had some kind of 500pt army, which we could base it on; or a list of the necron models you already have.
(NB: If you want to have glowing text (inc. bold, underline, scrolling etc.), the text needs to be placed inside the two sets of data, i.e.
[DATA]texttexttexwordsbla hblahblahBobDolegfh [DATA] )