Yeah, I kind of like how the mirror works for the Infusion Matrix and I can't fathom why the support for it was removed.
For vanilla Thaumcraft, there are too much con vs pro for one to use Energised nodes.
Cons
1. Energised nodes when de-energised, loses all vis and have a very likely chance of degrading into a pale or even lower node. That usually means you will need to find a new node l soon.
2. Node Stabilisers aren't Hungry node-proof. If they were, issue 1 will be easily counteracted by feeding the now empty hungry node.
3. You HAVE to de-energise the node before moving it. No ways around it. Meaning you can avoid issue number 1.
Otherwise, I like how the Energised node system works.
For me right now, I uses Technomancy to generate new hungry nodes as and when I need to replace dying nodes.
It is still a pain since I have to go through the feeding process ( takes quite a while ) and then tainting it ( another PITA step ) before I can use it.