A briefing should be brief, not 'War and Peace'
Haha...I'm going to use that every time I meet a new FO.
We use one of those fan dangled "risk-based briefings" and I've got to tell you that the first time you use it, it's great...so long as its a new airport, new surroundings, maybe new to the airplane...other than that, its can be a long, drawn out spiel to satisfy the non-pilot in the safety department (and I'm serious, the guy who came up with ours is not a pilot). Derogatory as I sound, it has helped once or twice so I give it the credit it is due.
Now, in saying all that our SOP does allow us to think, so if its the third time into an airport today or if its an airport we visit every day, then the structure of the briefing allows us to remove everything but the charts and speeds.
Back on topic...we also brief one emergency per day, SOP calls and all to the checklist. I try and vary it up each day - an engine failure here, an onboard fire there...severe turbulence when I get bored...