I've been keeping a close eye on 1/6 Spideys for the last 10 years, starting with the Medicom RAH figures. I've always managed to hold off from buying but I PO'd this on the first day. Love the look of it, and the Holland sculpt is just the cherry on the cake.
The mask/neck seam doesn't bother me as I really can't think of a way to avoid it while keeping the high level of articulation a Spider-Man figure must have.
I do think the suited neck looks weird with the Holland head though, and takes something away from the impact of the incredible sculpt. Perhaps some clever "flesh/rolled down material" neck collar could be included, which you would put over the neck post before popping the Holland head on?