I'm glad so many action figures nowadays have interchangeable heads and helmets. That doesn't stop the companies from making even more versions of the characters with different heads and facial features, but at least these give us what amounts to two figures for the price of one.
I sort of wish the 2012 Hoth Luke Skywalker (Vintage) had been given two different heads instead of that really awkward and clumsy looking thermal cap, goggles and facial covering that you slid over top of the figure's head. It was a nice concept in an attempt to mimic the opening scene of Empire
where Luke rides up on his Tauntaun and pulls down the flap of fabric protecting his face from the cold, but the thing was so inadequately executed that I'd have preferred two different heads.