im thinking about buying a rancho gear box although there is nothing wrong with mine what upside of having one eg: longer gears reving lower at 100 k's and what are the down sides of the rancho gearbox

http://ranchotransaxles.com/vw-transaxles.html 

cheers jamie

http://www.thesamba.com/vw/forum/viewtopic.php?t=115393&highlight=rancho