Use energy saving power strip such as "Tripp Lite 8 Outlet Eco-Surge Protector Power Strip" where turning on the master device will turn on all the source devices. Tripp Lite power strip also comes with good noise filter.  Another type of power strip such as "Belkin 8-Outlet Conserve Switch Surge Protector with 4-Foot Cord and Remote" is also highly rated by consumers.