I have to use other development tools in paralel with IDEA these days... WSAD of all tools! Anyway, having to deal with two IDE's at once has made me wish there was a way to open files in IDEA from outside IDEA.
For example: Be able, from the command-line or a file manager, to open a file that is within an open IDEA project and therefore bring the IDEA window to the front and open a new editor with that file. I guess if it were not included IDEA might be able to ask me if I want to add it to the project defintion.
I could see how this could often be useful... not just in my situation. But in my case it would allow me to make command line calls from within WSAD and have IDEA act as my editor for the WSAD environment.
I understand that in a perfect world we should never have to deal with any other IDE :)
Anybody else like this idea?