Chage dired buffer format to terse

[Johnny]

Hi,

Just changed my monitor to "portrait mode", and don't enjoy the
filenames displayed by dired so want to omit some info (group and owner
are good candidates, as well as modified times). Even better, is there
something like dired-x omit for columns instead of files? I use omit to
toggle hidden files, and another keybinding to toggle columns would be
awesome.

E.g. i want to change from

  -rw-r--r--  1 johnny johnny  2281997 2011-11-30       
U1VWRlJWOHhNVEl0TVRrNE5GOVRkR0Z1WkdGeVpGOTBaWE4wWDNCeWIyTmxaSFZ5WlY5bWIzSmZj
  -rw-rw-r--  1 johnny johnny    95600 2012-03-14       
U1VWRlJWOHhNVEl0TVRrNE5GOVRkR0Z1WkdGeVpGOTBaWE4wWDNCeWIyTmxaSFZ5WlY5bWIzSmZj
  -rw-r--r--  1 johnny johnny  3074968 2011-11-30       
U1VWRlJWOHhNVEl0TVRrNU1WOVRkR0Z1WkdGeVpGOTBaWE4wWDNCeWIyTmxaSFZ5WlY5b
  -rw-rw-r--  1 johnny johnny   126774 2012-03-14       
SUVFRV8xMTItMTk5MV9TdGFuZGFyZF90ZXN0X3Byb2NlZHVyZ

to

  2281997 2011-11-30       
U1VWRlJWOHhNVEl0TVRrNE5GOVRkR0Z1WkdGeVpGOTBaWE4wWDNCeWIyTmxaSFZ5WlY5bWIzSmZj
    95600 2012-03-14       
U1VWRlJWOHhNVEl0TVRrNE5GOVRkR0Z1WkdGeVpGOTBaWE4wWDNCeWIyTmxaSFZ5WlY5bWIzSmZj
  3074968 2011-11-30       
U1VWRlJWOHhNVEl0TVRrNU1WOVRkR0Z1WkdGeVpGOTBaWE4wWDNCeWIyTmxaSFZ5WlY5b
   126774 2012-03-14       SUVFRV8xMTItMTk5MV9TdGFuZGFyZF90ZXN0X3Byb2NlZHVyZ


Thanks...

-- 
Johnny