Just installed Blender … fantastic, beautiful piece of software!!!
So yeah, will have plenty of questions, obviously, so… I really adore 3D Coat’s ability/function to bind keys straight from the workspace, by just hovering over the button/tool/menu item, hitting ‘END’ … and you may bind your key to that…
RMB on the ‘Undo History’ button (in toolshelf) and select ‘Change Shortcut’ or in User Preferences / Input just search for ‘History’
How do you make a solid out of beveled bezier?
The ‘Fill Caps’ tickbox. Convrt a curve object to a mesh from the Object / Convert To menu (shortcut Alt+C)