I use a Logitech Z-2300 for some home use...I usually use my Yamaha MS-60S powered monitors.
The Logitech system is one of the best "bang for the buck" systems out there.
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.