What is the better extension I can use from mains supply to hook up my home cinema system? I am looking to protect the equipment from surge and clean the supply. I have heard of the Tacima will this suffice? I am also looking for speaker cable for the monitor surround. The system is based on the BR5 up graded fronts to RS6. Room size 5 x 5.5 mtr. Currently fed through a 605 but will be upgrading soon to the 875.