if my ps3 will be on the ground floor and my router on the second floor (not the middle floor but the one above that, so ground - middle - top(top is where it wil be). Sorry just wanted you guy not to be confused. If my router is at the top floor and my ps3 is at the Bottom floor wat type of signal strenght will i be lookin at

Ordered some homeplugs for the xbox because I'm sick of dropouts & lag on xbox live, fingers crossed that solves it.