Individuals being different from each other shouldn't necessarily diminish the significance of biochemistry. Biochemistry should explain not just our similarities but overarching principles that organize and explain the differences.
I'm a lurker. I follow via the rss feed. LessWrong is in my "firehose" folder, meaning its a limbo-state. I might promote it to an actual folder or I might unsubsribe.
At least, thats until I find some more nonsensical classification scheme for my rss feeds.