Additional details were released today about the Garmin Vector. Initially slated for release in Q4 of this year, it will now be released in the spring of 2012 (March, as per Garmin). As a pedal-based powermeter, it will be easily swappable across bikes and can allow the rider to get powermeter readings across multiple frames, groupsets, and wheels. The price will be approximately $1500, which is in the range of other powermeters but because of its flexibility, I expect that it will appeal to quite a lot of cyclists (both those who have used powermeters in the past as well as new users).
There are 4-sided strain gauges in the spindle of each pedal, which allows independent power readings from each leg as well as aggregate power output. The gauges communicate via external transmitters that are clamped between the pedals and the crank and use the ANT+ protocol, which means that headsets like the Garmin Edge 500/800 can be used. It's a simple and elegant system.
Should be an exciting new product! (And no, I don't get sponsored by Garmin... if it ends up sucking, I'll be very disappointed.)
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