One new aluminum iPad stand has arrived for testing every week since Apple's tablet was released in early April, and the latest release is JaDu Industries' Skadoosh ($58), a somewhat unfortunately named but legitimately cool little design that will give Element Case's Joule a run for its considerably higher price tag. Designed to be portable and flexible, Skadoosh is a machined block of aluminum with a unique multi-angle plastic iPad "rocker" that…