This isn't "Eclipse NextGen", it's Eclipse Che. It's an open source version of a prior project that was well received (codeenvy). Re performance I've seen demo

This isn't "Eclipse NextGen", it's Eclipse Che. It's an open source version of a prior project that was well received (codeenvy). Re performance I've seen demos of Eclipse Orion (another web based IDE experiment) where they had 100kloc JavaScript files and still be pretty performant.