First off, is it possible to edit the same plug using two or more different editors (specifically EVONE and Mission Computer)?

The reason I'm asking is I've heard EVONE has a better syst and map editor whereas Mission Computer is better at just about everything else. Is this true? Whatr are the strengths and weaknesses of both?

Thanks.

While I've used neither, common sense says yes, just not at the same time. Do what you want in one editor, save the plug, then open it in the other editor. Easy easy.

Well that's what I would think, but I'm not sure if EVONE saves it in a certain kind of file or not...

Nope. Nova can only read one type of file so if EVONE saved it differently then it would be useless.