I also need to get speakers, My CS FPS2k's took a downward spiral and are now shot.
I'm also looking into the Z-560's. Over at Logitech's site, they now have Z-640's which are 5.1, but less power. Which should I consider? And what about the Creative Inspires? Having read what everyone has said about the Z-560's I'm kind of favoring them. But what about 5.1? Does it hold a major advantage over 4.1? The 560's are also twice as much as the 640's, 200$ and 100$ respectively. I'm sure I could afford the 560's, but are they not worth it? The external volume pod on the 560's also get me - on the 640's the controls are built into the center speaker. Do any of these have headphone jacks? I think I can see one on both of them - but I'm not sure. I'm currently reading the huge long comprehensive article by Tom's Hardware...very interesting.
The Creative Inspire 5700's look quite tempting...