I was just offered the SB-5000 flash unit at a great price, and as I am often experiencing overheating issues with my SB-900 unit, I am tempted...
The only thing holding me back is that I am not sure I would get remote triggering (and I do not mean IR triggering) with my D800 and D810, using the WR-A/R10 combo? I seem to remember some discussions about this a year ago or so...