I was already unconvinced in the regular versions...the metal ones are definitely a no for me.
However, I find something weird about this. Only Pinkie and Twilight turn up on ToyWiz's website. Despite their claims that they are exclusive to them, it actually looks as though Rainbow Dash is exclusive to Gemini Collectibles and not to ToyWiz. Even the boxes have been mocked up to carry stickers for ToyWiz and they only appear on the Pinkie and TS. The Dash box says exclusive to GC.