I briefly downloaded and ran Google's "sketchup" a year or two ago.
(background - 10 years ago I went through Mech. Eng. Technology school and was not bad at CAD with Solid Edge and Solidworks (student editions
Sketchup seemed good for a non-experienced CAD person, it snapped everywhere and as someone with 'traditional' CAD training that was annoying. I could have learned to adapt to its nuance, but I never really had a project to work on so my interest faded.
I could have made 2D drawings on it though. Not sure if it handled title blocks (etc.) though, never tried.
-JcG