Swype-all the way. Although I was very excited at the prospect at getting Swiftkey, it is nothing like the version I use on Android. Swype on the other hand is very similar, it has secondary characters on the keys which can be selected by long pressing and that is what I truly missed when having to use the Apple keyboard. I wish it had directional arrows on it like the Android Swiftkey but...
Swype was the original 'swipe type' keyboard and I used it for a while before Swiftkey came out. This version of Swype costs $.99 but l bet Swiftkey will offer their $3.99 version shortly and then all the missing options will show up.