I follow Joel Kallman' blog and He posted APEX 4.0 Early Adopter available. That's fantastic, Cuz I hope to see/test APEX 4.0. I filled out and requested a workspace to test.
Oracle Application Express 4.0 Early Adopter hosted on Amazon EC2. We can fill out the survey and request a workspace - http://tryapexnow.com.
Nice... But I felt Layout differ from old version -)