ok i am bulding a new theater. it will be 16 ft by 30 with 9 ft celing i will be having a 160 in screen and my front seating will be 17 ft back with 2 more rows. i have dual av15 for a sub and it is fine but i want a good diy speaker to replace my speakers. i have the sunfire sig 7 with 400 a channel for a amp. what would you recomend for a 7 channel setup. and stay under 7k for all 7 speaker kits.