Happened upon this today on Valve Developer Community:
Hammer Feature Requests
How cool! As soon as i read the whole thing, I have a whole bunch of suggestions..(well, at least a couple)
=)
Created 14 years ago2010-07-15 21:13:46 UTC by Captain Terror
Ability to move tool handles in the 3D view. In particular, resize brushes, move entities, etc. (Maybe with axis constraints, to deal with 2D => 3D spatial translation? [Perhaps something similar to the gizmo-style handles in 3dsmax?])QTF