Do note however, even though the EE2 tools were powerful, they were too powerful. Yes, you can create amazing stuff but you can also destroy other peoples stuff really good since there is no real way to protect EE2 from being a griefing tool.
The fact that once you get enough diamonds to make a condenser and a few collectors, you are done. You can get infinite resources, just from pure light. And with common sense, infinite resources = infinite stuff = infinite win. I am kind of okay with this, the condenser is a good tool for getting rid of useless materials but the collector and relay stuff, there is only one place for them. The bottom of the Nether.
By carrying around an Omega star, equipping full RM armor, a Katar in hand and a Morning Star in the other, you are basically immune to everything, you can fly, you can teleport around, you can dig out a chunk in no time and can kill anything that comes in your way. Some like it, some don't. The people who don't like are a majority here. Most being server owners or people who get their stuff griefed on MP since there is nothing the server can do against it. This is one reason why i believe Pahimar decided to rewrite EE. EE1 was highly unbalanced. Pahimar decided to make EE2 which will be very balanced with other stuff. You can see what happened with that balancing.
So now as EE3 has it's first public release, you can already start to see the basic EE things such as the Philosophers stone and the alchemy bags. Who knows what we will get later on but one thing i trust Pahimar on: he/she will make sure EE3 will be balanced. No invincibility armor, no chunk removing tools, no generating infinite stuff from nothing.
I just wanted to get this said. Turn off the stove before this boils into another "Why EE sucks" thread.
TL;DR, EE2 is unbalanced, Pahimar is rewriting it to make it balanced.