Was doing some research on this today, here is what I have found:
Beast DNA 5200MAH 3S 35C 442g $48.47
Beast DNA 6000MAH 3S 30C 461g $53.44
Turnigy Nano 5000mAh 3s 35c 409g $59.90
Hyperoin 5400mAh 3s 35c 459g $98.95
The 5200mAh Beast DNA appears to do the trick, balancing weight, capacity, discharge rate, and price point. My setup: DJI F550 Stock, DJI Naza GPS right now I am getting 9 minute hover times on a 2600 3s 35c China battery with a 10.5 volt initial cut off, and a 10.25 volt secondary cut off. Any thoughts on off brand batteries? Is there *really* that much of a difference?
I ended up ordering one of each to test.
1x Beast DNA 5200MAH 3S 35C 442g $48.47
1x Beast DNA 6000MAH 3S 30C 461g $53.44
Doubtful I will be able to tell much difference between 30c and 35c...
-Ryan