I got the Shen light armor set from Pewpewgun recently and installed it over one of my Pinyike figures last night.
I really love the idea of different skins over what is essentially the same foundation of a figure, but I gotta say these guys need serious help in getting all of these small parts to fit together. The end result looks great, but if it didn't need to be glued together (which I didn't), I had to resort to using wires to bind the various gauntlets and shields onto the figure. There are still a lot of loose parts, like on the hell of the foot. Even in the instruction manual, they recommended heating up certain pieces with a hairdryer and squeezing them together before inserting them.
The figure I got before this was the Iron Man Mark 5, which has got to be one of the most intricate figures I have ever seen. The tolerances from piece to piece, while still being even spaced, is phenomenal. I just wish pewpew could get their act together like that.