I love my few mafex that I got but all of them had issues except for Death Trooper and ironically enough, Iron Spider.
Eva 01-lucked out, got great paintjob but hips were so loose he couldn't stand. Fixed with nail polish after taking the hips apart
Eva 02 - White on the head is actually so thinly layered it just is almost red, had to do pretty extensive masking and repainting to get it looking okay.
Pennywise - Waist and hip so floppy can't even stand, had to fix with nail polish
Robocop - Left ankle so loose it'd also just fall on its own. Fix with nail polish
Wolverine - Have to slice off shoulder sculpts to make the articulation work, repaint on head.
These are noticably worse defects than other current toys on the same price range but Medicom's picks for stuff to make toys of and their proportions actually hit the spot for me so I'm going to still probably get another one from to time but EVA 00 and Mk13 will probably be my last for a long while.