Has anyone used the Adesso 2.4 GHz RF Wireless Mini Keyboard w/Optical Trackball before?

http://www.newegg.com/Product/Product.aspx?Item=N82E16823166079

I'm looking to use it with one of my computers hooked up to my Sony 40 inch KDL-40W3000 LCD TV. I'd appreciate any comments. Thanks in advance!