It's public!

Unity 1.0 RTM: 15th March (Next day to Portuguese Techdays Unity Demo: http://www.techdays.pt/session/2008/dev09.aspx)

EntLib 4 CTP: 15th March (Application blocks integration with Unity still not provided, but Object Builder 2.0 will be available)

EntLib 4 RTM: somewhere in mid-end April (including Application Blocks integration with Unity)

Stay tuned!