Personnaly i use Homesite or Superdi, the + from homesite is that you can ask it to not translate all of your problem, the - is that it's not free, but you can find a very nice program and free made for a lot of devs which named
SuperEdi made by Wolosoft where you can find it here :
http://www.wolosoft.com/en/superedi/
you can manage color to sheme all langugae text, use ftp etc, a very nice program