1. Get around 7 hours of sleep every single night:
10+ is better
2. Avoid caffeine entirely (coffee & tea):
Blasphemy. Please remove this item
3. Maintain your tools:
100% agreed
4. Dont be vain:
Be vain when it counts. You don't want the perception of your work to suffer when it's among people who don't quite understand technology.
5. Avoid Social Networks:
I hate to say it but avoid hackernews also. You can sink hours into this site. Hackernews is entertainment not actual work. Good entertainment though!
6. Work off a TODO list:
100% agreed
7. Use a tiling WM:
OK
8. Use Emacs for Everything:
To each his own
9. ...Use Conkeror for the rest:
DITTO
10. Always keep looking:
100% agreed If you do something the same way every time you will be left behind
HN is mostly entertainment, but I read it for posts like this that give an insight into the tools that people use. If you find out about some awesome tool this way, it's time well spent.