How to change your keyboard
To change your keyboard after installing a new one, go to settings > Language and Keyboard, and then check your desired keyboard to enable it to be used.
Once you have any desired keyboards selected, you can then choose it as your default keyboard for input, you can also choose what keyboard to use whenever you are writing by pressing and holding your finger on the text box for a few seconds.
15 Awesome Keyboards for Android: 8Pen Price: free
Without a doubt the most innovative keyboard app out for Android; instead of conventional keys, the app features a small wheel which is used by dragging your finger around the different segments to select each letter. 8Pen uses the notion that keyboards on a small mobile screen are well too small to comfortably type on. Being so innovative, 8Pen is hard to use, and will take a good amount of work to get up to speed with.
Coined "the fastest keyboard for the Android," MessagEase boasts keys 3.5 times larger than most regular Android QWERTY keyboards. Its an interesting app which, quite like 8Pen, aims to make typing on a small screen easier by using swipes to select lesser used letters, while keeping the interface simpler than that of 8pen. The learning curve isnít that steep, as the layout is very intuitive and itís clear where they letters are. Its only a matter of getting used to MessagEase and building up speed with it.
Price: Free (in beta)
Rest of the information can be found here.http://www.youmobile.org/blogs/entry/15-Awesome-Keyboards-for-Android