Swiftkey is the holy grail of keyboards, it's the reason I'm switching from a physical keyboard.
+3.14159265 for Swiftkey, I have been using it since it first beta'd
Besides that, I feel as though I can't help anybody who gets the Bionic before me. :P
Jesus said: This is my commandment, That you love one another, as I have loved you. Greater love hath no man than this, that a man lay down his life for his friends. You are my friends, if you do whatsoever I command you.
Honestly it isn't even that predictive. I tried using it for a week or two. I type faster when I just tap away and nothing else. It takes me longer to find the correct word than backspace and retyping would.