I already know your answer.
We're on opposite sides on this one.
My buddy is shooting Canon though. He was the one who got me started on Nikon, but has had too many customer service issues, and Canon is probably going to sponsor him, so it's a no-brainer….
His opinion. Both are great on the upper ends. Nikon has faster/better auto-focus at high speeds. Canon has far superior customer service, and quicker turn-around when problems arise. Canon is also more durable.