Here's a sneak preview of the new 20 channel, usb-driven, servo controller we're developing. We've used a completely new (ok, not that new, but much improved) way of handling multiple, parallel servo commands which allows us to control 24 or more channels within a 1ms-2ms window. We decided to cut it down to 20 in order to free up a few pins to add an eeprom chip in future, but for now this video shows how you can send simple commands.
Only a few servos are used in this video because we're drawing power from the usb rail. As soon as more servos arrive from eBay, and we've got a 5V voltage regulator to allow an external power supply to be used, we'll post a new video showing loads of servos being used on one little board!
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