There are no shortage of keyboard replacements on the market. Between SwiftKey, Swype, and the various manufacturer-skinned versions, you can't help but have three or four options on your phone. Today's latest entrant, iKnowU, still manages to stand out with the ability to predict entire phrases and highlighting of the next letters it thinks you're going to type. Pretty impressive.
Of course, the feature that catches our eye most of all is phrase prediction.