Here's a simple tip for sorting through your photos during post-processing: try reviewing them in reverse.
I usually take several shots of a particular subject, and I tend to get new ideas as I shoot, so my best shots tend to be my latter shots. It also takes me time to warm up the photography neurons in my brain so that as a whole, my shots later in the day tend to be better. By sorting in reverse, I find the better shots faster and I can go through the other shots more ruthlessly. :)