Hard to find nowadays, great for folks that are not running standalone, $75 plus shipping
http://www.crosslake.net/~dbipes/BipesACU/index.htm
https://farm5.staticflickr.com/4330/...86b4ffa6_z.jpgUntitled by driftin_gti, on Flickr
https://farm5.staticflickr.com/4313/...23c1f8b6_z.jpgUntitled by driftin_gti, on Flickr
https://farm5.staticflickr.com/4313/...0d23662f_z.jpgUntitled by driftin_gti, on Flickr