Once having the tablet arena almost entirely to itself, Apple is now in the middle of a full-scale battle: everyone who could have a tablet does, and even Amazon's Kindle Fire is in the fray at a very low price. The new iPad, then, faces the challenge of not just being the best but of giving buyers a reason to spend more than $199. A record-setting display, new graphics and 4G go a long way, but we'll learn in our review of the new 2012 iPad to see if it's enough to keep the crown.