In article , Incubus
wrote:

Nikon flashes themselves are an inexpensive alternative. The SB-800 is
still
an incredible flash if you don't want to pay current prices for the new
model.

except when it overheats.

I thought that was a problem with the 900. The 800 is well regarded from what
I have seen but I wouldn't touch the 900.

the 900 shut down when it got too hot.
the 800 didn't.