The longer answer is if you have SlickEdit as a plugin for Eclipse, you can install the RTC client perspective on top of your instance of Eclipse and use both. Otherwise, you'll have to set up your sandbox and use SlickEdit as the external editor.
Michal Steinberger selected this answer as the correct answer
Dashboards and work items are no longer publicly available, so some links may be invalid. We now provide similar information through other means.
Learn more here.