How do your critiques vary?

It seems an ongoing theme of my summer is critiques. I'm giving them, getting them, thinking more and more about them, trying to improve at them. Each situation needs to be weighed and critiqued based on what the author is looking for and what is given.

For example, the first ten pages critique.
Wow. This is one of the funnest ones for me. It's the first ten pages of the novel for Pete's sake. I want to be hooked. I want it to just grab me. I want to be able to see some action, some character deve