Is the interactive pen of the Wacom CINTIQ 21UX worth the extra cost?

The Wacom CINTIQ 21UX is a graphics tablet designed for the professional graphic artist. Recommended for those that use graphics programs for their work on a daily basis, the tablet provides a very large monitor and a programmable pen with advanced touch sensitivity. This tablet comes with a hefty price tag, and is not recommended for the hobbyist, however, for the professional graphic artist it is generally considered the best and worth the additional cost over other graphics tablets.