The second generation of the 21” draw-on-canvas display from Wacom incorporates many changes from the recent Intuos 4 revision such as detection of 2,048 levels of pressure and the new tip sensor. They also added rear Touch Strips and ExpressKeys (that can also be found on the newer generation of Intuos tablets). Available in April 2010 for $1,999.

I’ve been on and off with wireless peripherals for my Macs. Right now I’m using a wired aluminum Apple Keyboard and a wireless Apple Magic Mouse as well as a wired Wacom Intuos4.
Wireless devices always have the issue of battery life if they’re not equipped with an easy to use charging mechanism (or any charging mechanism at all). This is one of the main reasons I went back to a wired keyboard from the wireless one that Apple has. The bluetooth Magic Mouse also doesn’t have any charging mechanism. Of course I’m using re-chargable AA batteries, but that requires opening the battery compartment and physically replacing the two batteries for charging. The two batteries also only last about 30 days, depending on usage.
The Intuos4 Wireless also uses bluetooth technology to connect to your Mac, but it also connects via USB, like the traditional Intuos4. The benefit: It actually charges over USB and operates just fine while being charged. So if you want wireless freedom, just unplug it from its USB cable and use it wirelessly.
Love it.