We were promised consultation on the Interception Modernisation Programme (IMP) by early in 2009, but as far as I can see this hasn't happened yet. Of course, in that time, we've seen considerable discussion of communication interception technologies (such as those devised and proposed by Phorm for commercial purposes) and the data retention directive emanating from the EC.
Now, The Register reports that developments in eavesdropping capacity are moving ahead (Spy chiefs size up net snoop gear):