LCD / LED Pen Tabet

Hi

I want a digital pad, where I can write and draw which is suppose to appear on the computer screen as well on the digital pad. I used this kind of gadget without display (i.e I could see the display on the desktop, but not on the pad)

I tried in Lulu,Jarir book depot, and Safari but not available.

Can some one suggest me where it may be available?? If possible approximate price tag for the gadget.

Thank you.