Wondering how Apple has changed the colors of its iPod shuffles and nanos from the late 2006 models to the new holiday 2007 versions? We’ve taken a bunch of photographs to show off the new lineup. While the shuffles’ prices and capacities have remained the same—1GB is still $79—and there’s still a simple silver aluminum shuffle, the new four colors are more muted than their predecessors, with a cranberry red (Product…