I spend this morning installing my BlueSea fuse block and the circuit breaker (made a little bracket out of aluminum), as well as running the needed wiring back to the constant 12V outlet I mounted in the back for my ARB refrigerator, and another line for these lights.
Nice. I finally ordered a Blue Sea fuse block and circuit breaker and all the associated wires and what not this week. My 8 year old is going to help me do the install this weekend (he's very excited to climb on the roof rack to mount it - even though I can install it by standing on the running boards I may have to let him have his fun). I like that aluminum bracket - very clean setup.
One note on the circuit breaker - the Blue Sea blocks are good for 100A. Your CB should be rated at ~20% over that (according to their PDF, 125A max - http://assets.bluesea.com/files/resources/instructions/Wiring-Diagram-5026_5031.pdf). A 100A CB is fine, but you shouldn't ever attach more than ~83A of load to it (maybe less depending on the battery wire gauge you used). I mention this because I saw someone else who had a 150A breaker in their rig in a different thread.