eBuddy have been IM app for Android because it looks and works the best. However,The new imo.im app,which is available in beta right now has gotten quite attractive and is a huge improvement over the current official version. The beta uses a tabbed interface and has a brand spanking new UI where everything is easier to use. The beta is a “preview” of what’s there to come in the official 2.0 update but from what we see it’s pretty much ready to go.
One Issue: The “Send” button is near the text box and not on the keyboard itself.