Let's see...since I went through this exercise last week.... A level ...for your surround mounting brackets...(a stud finder...if you don't trust the old fashioned way)...a tape measure...to ensure equal height...and to be sure you don't errantly cut lengths of speaker wire, sharp wire strippers...or just some strippers... Sounds like you're good on interconnects... Avia disk ...or something similar...if you don't want to play it by ear. 9V battery for the spl meter. A gate to keep the dog out of the way. Extra zip ties...to clean up the mess of cables you're going to have. (of course...I was also setting up a new TV...tv stand...dvd...AVR...you name it...at the same time...I seriously wore myself out!!!)