Dave Norman, moderator of the Pylon Universe forums on RCUniverse.com designed the Seeker.
Here are the plans for it in PDF format and CAD format. The PDF file is formatted for Architectural E size paper.
Dave came in 3rd place at the 2008 Pylon NATS with a Seeker.
The Seeker is available in kit form from SuperT R/C.
This is what the kit looks like. Click on the photo for a larger view.