Not since that one fight between TV news teams have I seen a battle as fierce as the clash of the <cue dramatic music> BOOK-SELLING TITANS! It’s Amazon vs. Barnes & Noble, and in the tablet theater, it’s the Kindle Fire HD vs. the newly announced Nook HD+ ($269 for 16GB). Coming in at nine-inches, the HD+  brags about the fact that it features no annoying ads and comes with a free power adapter–two direct shots at Amazon’s product. The 1,920-by-1,280 display can play 1080p HD video, and Barnes & Noble says the 3:2 aspect ratio means less letterboxing with video content than on the iPad. This is war(like)!