Hmm, well I can relate to some of yous,
1. Get the dual battery-energy
2. Get cool ideas, jot down projects & stuff I'm gonna do. (I've got countless of story ideas I want/have wanted to write into short stories or a book, but only a few short stories is what I'm left with, I always get cool paintings done though.)
3. A lot of the times I tend to clean the appartment (because I never else really care)
4. Discover some things I've left on hold and finish them.
5. Get interested in everything, do research.
6. Turn all my introvertism outward and love to be really social.
7. Get obsessive thoughts sometimes - an extreme example for my case: I once got really angry for a seemingly random reason, saw my Dracula book on the desk that I hadn't got around to finishing in like half a year, decided that the book was the cause of all my troubles, took it with me, cycled for a few km's, burned the book, did a cig & dropped it on the book, pissed on the book, spit on the book and cycled furiously back home.
8. Oh yeah and almost forgot - huge confidence boost. View myself very differently.

Something I've noticed though, is that most of you seem to get insomnia, which I don't really relate with, although lately I've been getting around 5-7 hours of sleep most of the week days for months, so maybe I don't quite remember the feel, I just know I'm very... less tired so to say o.O Staying up for like two-three days straight has never happened to me.
That's the best I can do, kind of hard for me to describe it as such.