Anothername: Everything up to 1.59. Decals, two helmets and various statues. Body options are on the appearance changer on starbases (or your base/capital ship if you installed one).
edit: I have to add; the body options are not with 1.59; I shortly had an 1.6 experimental I rolled back from to check out the new body options ingame.
Starkrun: Are you looking in any anomaly spawn for them or just the one from the events? i only get 2 pages and one completely blank page. Current release non experimental is 1.61
IIRC after the first event I checked out the prices while in the event system after doing the first event main mission and later bought some stuff when I was in some random system after having completed the additional challenge for a fistful of quicksilver more for that one helmet. Which I found out looked better on its tiny picture than on my character; so 3k which would have been better spend on deco :( .
Besides a peek out of curiosity which I rolled back because new bugs I saw no reason to update since it only added new bugs or made stuff work worse I got used to like messing up containers now that I finally got them working like I want to and looking good on top or cranking up predators up to eleven when I finally found my dream planet and am in the middle of building a massive base... with two Raptor/T-rex type predators around.
I do like to have gotten more quicksilver for additional decorations though; but right now the price is to high.
I hope HG stops with this weekly stuff soon in favor of more stable patches with less wheel re-inventing.
Adding container rooms for ships? Good. Removing the way one could install the other containers before with X sections? Bad. They are too jumpy right now for my taste.
ehrm... I'm digressing. Sry ;)