<p>My workflow, shoot a wedding on Saturday. Get up Sunday morning with a pot of coffee, load images in LR, I agree importing / exporting takes a ton of time, and then start going through them. while they are loading I normally prepare by gear for my next job (normally only means removing my rechargeable batteries and cleaning my lenses). Takes me about 2.5 hours to process 1000 images. The trick (as someone else mentioned) is getting things right in camera. <br>
The advantage I have is, since I shoot for two different studios, I remove very few of my images (just the obvious bad ones). I FTP them to the studio and let them cull the ones they don't want to present to the client.</p>