hp xw6200 desktop pc with 24 inch screen. 8gb ram 1gb graphics !

hp xw6200 desktop pc with 24 inch screen. windows 7 64 bit installed. twin intel xeon processors 2.8 ghz x2 8 gb ram . 1tb hard drive samsung sata. 1gb graphics nvidia geforce 7950 gx2 dvd/cd rom drive. 24 inch screen with built in speakers... keyboard .mouse included. will swap for a high spec laptop large screen if possible.17 inch or larger.or cash