I use it exclusively. I sent the command line to the side and collapsed it.
How often do you need the command line then? Depending on your expertise of course and understanding it's not all that difficult to hit [F2]. I should also probably consider that I haven't had the chance to use any sort of lisp.
Only when I need a value from a lisp or the list command and I don't get all the info I need on the dynamic values.
