iSMS - It's not very convenient to send a new SMS. iSMS sets a shortcut key for new SMS so that you can press i on the keyboard and send new SMS as fast as you can
XSMS - One Touch New SMS - xSMS assign a icon and a shortcut key for new SMS so that you can simply click the icon or anykey on keyboard and send new SMS as fast as you can
EveryNote - When you get some important messages, you may want to save the message to Calendar or Task or Memo in case you missed the important things. You can copy and paste which takes a lot of time.
EveryNote is the best and simplest solution