This site shows videos of some really impressive presentations covering all kinds of subjects. This site will cure your one track mind, turn techies into arties vv.
Look out especially for Hod Lipson and Robert Full. If you must be a specialist, rather than a generalist.
If you ever want to know how powerful your servo is, how much weight it wil llift, or if you know what you want but don't know which servo will provide it, this guy's list is extensive.
I was looking through my web server logs and noticed a lot of referrals from this Russian page, so I checked it out. Looks like someone brought together all three Drum Machines :) (The title above is what Google Translate gave me for the heading of that page). Google translated version here.