Congrats on this purchase. This figure was my first as well and one of the figures that made me decide to jump into collecting at this scale. It's still one of my favorites. Couldn't be happier with the quality of these figures and the decision.
I've got a mix of both Sideshow and Hot Toys. As others have said, wait to see the reaction in hand on some figures that may have quality control issues and for Sideshow, human portraits, since their quality in that department is still a work in progress.
Welcome to the forum and hobby!
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You could try swapping out the top portion with one of the newer style grabbers that came with Hoth Luke/Han and other recent figs. They don't stick out as far back -- you just made me think to do this too as that always bugged me a bit--Ol big butt snowtrooper.