Tired of seeing that boring old OS X dock? Bring your dock to life with DockAppearance.
DockAppearance is able, among others, to provides a dock similar to that of the iPhone. The simple one window interface will let you change that boring old dock to look like an iPhone, or even Starfleet colors complete with rank pips.
DockAppearance comes with over 90 different themes you can choose from and customize with separators and application indicators.