Hey brother. Pretty cool suits you guys have there.
For the paint... did you use prosaide before painting up your skins? That really helps keep the paint from crackling or chipping. Also using a proper sealant, like permawet for example also helps protect your paintjob. There are other sealants too.
The bio masks look VERY small... the wolf more so than the celtic. I mean REALLY small. Perhaps finding a vendor on here who provides the bio you want would be a good option or scratch building them to fit your masks would be good.
Pretty cool scratch builds otherwise.

You plan on upgrading or revising at all in the future?