Title says it all - what are the best computer speakers? Also, out of the following which are the best? The Airmotiv 6 http://emotivapro.com/products/powered_monitors/airmotiv6.php The Audioengine 5+ http://audioengineusa.com/Store/Audioengine-A5plus#.UJRCG8XA_pU Or the Corsair sp2500 http://www.corsair.com/pc-computer-audio/pc-computer-speakers/gaming-audio-series-sp2500-high-power-2-1-pc-speaker-system.html