Gear: Asus Eee Note EA-800, eReader Tablets, Fujitsu LifeBook Digitizer.
Since I use a Lenovo X201 Tablet and love options I dumped my Lenovo digitizer and have used a Fujitsu Lifebook Digitizer that offers 2 buttons and a better eraser. The Asus Eee Note comes with a very weak digitizer so I recommend using the Fujitsu one.
The included digitizer is ok... but switching modes from pen to eraser is a hassle. The Fujitsu digitizer offers the second button which switches the mode to eraser. You can also use the actual eraser on the Fujitsu digitzer. This is going to make note taking and erasing a heck of a lot beetter.
The screen is from Wacom and you can use the Asus Eee Note Ea-800 with a computer via USB. Having that digitizer will allow you to do even more things with your PC.
Lenovo Digitizer vs Fujitsu Digitizer
More about the Fujitsu Digitizer
Fujitsu Digitizer UnboxAlt video.