With the <a href="http://www.computerworld.com/s/article/9222461/Cool_stuff_Your_2011_holiday_tech_gift_guide">holiday season in full force</a>, a lot of gift-givers are going to be considering one of the new color e-readers that have been introduced recently: <a href="http://www.computerworld.com/s/article/9221888/Amazon_s_Kindle_Fire_misfires">Amazon's Kindle Fire</a>, the Kobo Vox and <a href="http://www.computerworld.com/s/article/9221898/Nook_Tablet_Hands_on_with_Barnes_Noble_s_alternative_to_the_Kindle_Fire">Barnes & Noble's Nook Tablet</a>.