The top 5 5.1 surround speakers: 1hourbook

The top 5 HD TVs from 46 to 52 inches: 1hourbook

The top 5 subwoofers: 1hourbook

The top 5 Blu-ray players: 1hourbook

The top 5 HD TVs from 52 inches: 1hourbook

The top 5 HD TVs up to 37 inches: 1hourbook