For those who have been living under a rock for the past couple of days/weeks the APEX 4.0 Early Adopters website has been launched..
Join me in yelling "WOHOOOO".
To be honest I'm very happy of all the new features that have been added, a very good webservice support has especially taken my attention. This will allow for a much beter integration of the APEX framework into the SOA priciples of design. I hope :)
APEX 4.0 EA can be found at : http://tryapexnow.com
Enjoy.