Upload & Sell: Off
I have a set and they rock. I use them with the 565ex flashes that Yongnuo sells and I am able to control the power and what not from the camera. Perfect for wedding receptions. I use their 560s on camera since I can manually adjust the power from there and then use the wireless function for the reception lights. The AF assist beam is an added bonus, however, I do find that sometimes it doesnt turn off in time and it shows in the pictures :/ But if you dont shoot to fast it goes away.
The other cool thing is that I can use hypersync with my studio strobes (flashpoints). So I can sync up to 1/8000 of a second without the black bar... Granted, the power output is greatly reduced, but it works. You can use HSS if you have a flash that does it (580, 430, 600, or the Yongnuo 568).
The only thing that I dont like is the range. Mine seem to be limited to about 50-60ft whereas my 602s/603s worked over 100... Not a huge issue, but sometimes I want them to be pretty far away for a shot.