It seems to be the case that if there are veins, never give up.

I've seen dimpled, deformed, squished, deflated, and mold-covered eggs hatch out perfectly healthy babies. And I've only been here for 3 months!

Movement is a super-awesome sign!

Idk without pics, but I'd guess that the eggs are dimpling because the hatchlings are absorbing so much of the yolk and the shell is losing support.