I took a really, really weird route through the game this time. I often set myself weird projects, and this time it was "get to electrical age with no bronze blast furnaces and no basic steam turbines."
As a result I already have a decent thaumcraft setup going, with borers, mana beans, golems, farms. I can crank out steel at a good rate now, and I can easily power an EBF (when I build it), so I could theoretically be into MV tonight. If I don't get distracted with my farms which I plan on tweaking.
I think there's a transmutation for aluminium. Maybe I'll try to produce 99% of my MV aluminium via TC for fun
Regarding power storage: I still rely heavily on IC2 storage because its easier to assemble and use. Also, you can automatically track IC2 storage, but with GT I don't know of any way. (So I wouldn't be able to, say, turn on my reactors when my energy is at 25% or anything)