While there is some chatter that the Barcelona processor may be delayed a few months, FUD Zilla says the launch of the Agena FX and X4 processors is still on schedule:
Phenom FX is the commercial name of Agena FX is still scheduled for late Q3, early Q4 and it should be out in the September – October time. You can expect Phenom X4 or Agena processors for socket AM2 at the same time.
The dual core K10 will be release later in Q4, but certainly this year. This is the current plan.