Thetacron is pretty cool, I might add that he does not take falling damage, but he already doesn't until 9 levels so that's pretty good already.
The Quorik Ritualists make it look like Kee-Mo-Shi might actually see the board, that's one of my favorite roles for customs (helping under-used officials).
I think we all know who would like Commander Nhaz Sun (besides everyone).
And now the Zetans. These are one of those perfect customs. Powerful without being OP, a unique squad, and a squad that legitimately looks like a squad. Wow I like those miniatures. In fact, thank you for helping me discover Hydra Miniatures. They do not come pre-painted, correct?