Unicron, and the Sail Barge, were missed opportunities for me personally. I really should have backed them but....
The Sail Barge was too new of an idea, even from Hasbro, and the price was too high for my liking since I am not that big of a SW fan.
Unicron was a close call. I really did want to back him, but the price was a big hurdle at the time, and I was kind of on the fence, to my detriment. I guess the one comfort I take is knowing that the near 1hour time frame to transform him would have done me in. I would have transformed him exactly once and then put on display, or away, an never touched him again. So I don't feel too bad about passing on him. Although that secondary market pricing for both of them......