A place to discuss potentially promising methods of intelligence amplification in the broad sense of general methods, tools, diets, regimens, or substances that boost cognition (memory, creativity, focus, etc.): anything from SuperMemo to Piracetam to regular exercise to eating lots of animal fat to binaural beats, whether it works or not. Where's the highest expected value? What's easiest to make part of your daily routine? Hopefully discussion here will lead to concise top level posts describing what works for a more self-improvement-savvy Less Wrong.
Lists of potential interventions are great, but even better would be a thorough analysis of a single intervention: costs, benefits, ease, et cetera. This way the comment threads will be more structured and organized. Less Wrong is pretty confused about IA, so even if you're not an expert, a quick analysis or link to a metastudy about e.g. exercise could be very helpful.
Added: Adam Atlas is now hosting an IA wiki: BetterBrains! Bookmark it, add to it, make it awesome.
Emacs hardly even has a learning curve for basic use these days, what with the gui interface and ability to use the mouse. Even the console version tends to be better for new users than variations of vi since the keystroke-commands are (arguably) less arcane.
You can improve your Emacs-effectiveness by reading a manual once, so you know what commands there are, and then just pay attention to when you're doing repetitive tasks or using a bunch of keystrokes for something you can think of as a one-step process; then there's probably a command for that. Also, use keyboard macros. And if you have a gui-version, only use the mouse as a last resort and then figure out what you should have done using the keyboard.