Ah, it all comes together, click click clickety click.
Oh the angst! People being torn away, one by one, leaving ghosts and memories behind.
And Donna's husband from the datacore unable to make contact with her on the outside! So sad! I sense fanfic on the horizon! There'd better be fanfic.
The best part was the twist ending. I was so glad I wasn't spoiled for it. I believed the Doctor might fail to download River Song before it was too late. And was really glad when he succeeded.