Got a pile of midhammer stuff from around the early aughts from a dude. Some I'm gonna use for new/current armies but there's 5 grey knights I'm keeping. How should I paint them

Cosplay Edition

>Community Links:
https://www.warhammer-community.com/warhammer-40000-downloads/
https://www.unitcrunch.com
https://www.newrecruit.eu
https://wahapedia.ru

>3rd Party Models Pastebin:
https://pastebin.com/Q33bkBUh

>Pre 10th Torrent:
Info hash: d91d8b9daa9c5dc9105fc0ec09812cbc17a752b5

>10th Edition Rules:
https://gofile<dot>io/d/9LvQTL
https://mega<dot>nz/folder/Em0Rmb7I#4GR-B7y4cu5nCB5QziXM4A

>How to make wargames terrain:
https://gofile.io/d/s99zDV

>Secret Level Animation:
https://gofile.io/d/J7muqs

>Previous Thread:
>>96311983

>Thread Question:
What's that one unit in your army you like aesthetically but rules wise sucks ass?