> If someone knows of a better editor that can do the things above, is quicker and mybe uses less memory too, I am sold.

I honestly just dumped hardware on the problem. Get an SSD and a bit more ram and Eclipse is very fast - even startup is very quick for me. It's a lot cheaper to buy an SSD than it is to spend hours looking for another solution when the current one works fine. I don't have any pauses anymore.