I totally agree about the ending, it seemed a little over the top to have her fade into the bright light and all, especially after the doubt both Sam and Dean exhibited in 'Houses of the Holy' and how they were talking throughout the episode about not knowing what comes after. I think it's because I like the fact that Sam and Dean are working toward this greater good without them knowing exactly what it is or if it exists, and to have it proven to them would make what they do seem less... I'm not sure what exact word I want here, less selfless perhaps?

Other than that, I quite liked the episode, I thought as a standalone it was pretty good. And I'm taking your caps :P You're awesome.