It's a command line NIX vs. Windows argument.
Of course, Windows administration has made moves towards using command lines as well.
the medication shortcuts are an example of rejecting the GUI.
Google Wave would be an anti-GUI EMR.
Command line could be good for certain tasks ... like printing imaging requests (bone density).
We've already done a good job of things like adding the last 5 CBC results to the consult note via the command line.
as for vi:<space> ... I don't think that is all that helpful.
mammogram 2008 nl x: - if this inserted a result in the patient's results ... that would be helpful. I would use that to enter important imaging results (i.e normal colonoscopy). for results I dont have (new patients, with no old records) and things like PSAs. I am sure there are lots of possible examples.
That being said, I have lots of higher yield changes than that. For your command line idea .. one thing that helps is if one keystroke got you to the command line at all times... that would be helpful.
Forinstance, I use my floating command line tool (slickrun - http://www.bayden.com/slickrun/1033/SlickRunHelp.aspx ) for various things. I know that Windows Key + Q .. and then p <enter>, brings up MS paint as a .jpg. It makes storing screengrabs super quick. printscreen (brings up Snagit ... select the area .. it copies to clipboard, paste it in MS paint ... save it to the networked drive ... done.
very fast.