Anchor point lasso tool and manipulation suite.
click to create a selection area on a selected object(s). Scale, translate and rotate selected anchor points.
This would save lots of time when working with pre-existing artwork or if you draw something and notice afterword a certain part in too small, to big or a little out of position. Some of this is already available but require manual selection or the selection in question to be a square.
Egor Chistyakov commented
Wait a bit and get AstuteGraphics SuperMarquee:
Does it do what you want?
If not, please explain your workflow.