Got my Shrikethorn;
Quick review on Shrikethorn - although he stands shorter than Raijin it's roughly the same mass. His torso reminds me of the Ben Swolo meme. It annoys me a little that's he stuck in a pose looking straight down, and the tails only have 1 swivel each at the base. He has 7 swivels, but they're not nearly as useful because 4 are in the arms, and he needs to keep one arm down for balance unless you tip him backwards. I just now found the 7th swivel while typing this, it's a torso cut. Kinda cool. The build and paint quality is fine, no issues.
It's a decent vinyl but I think it's very overpriced for what you get. Main reason to get it is if you want to set up a Pacific Rim display and you want all the kaiju together. Unfortunately since it's a web exclusive I don't think the price will get any better. There might be a cheaper bootleg, but the hassle I had with getting my Raijin to stand prompted me to buy official for Shrikey, just something to consider.