I agree that a flippy screen would be sweet - but yeah, size trumps all.
Here's a shot that's not good at all, but that is way better than nothing. We visited one of the beaches on the island of Príncipe, Praia Grande, where the Green Sea Turtles come ashore at night this time of year to lay their eggs. This girl was about 1m/3ft long and estimated to be 50-60 years old.
It was pitch black, and to avoid disturbing the turtles we used weak torches/flashlights with red filters (and no flash, obviously!). So, f/2.8, 1/15s, ISO12,800, only the red sensels getting any light at all. I'm actually quite happy how they turned out.