pbux:
So I'll gather that the SB600 can in no way shoot how I would like it too...
Any recommendations for a flash that can handle this type of shooting???
No.
>> It is just not possible for a flash to fire at significant power at 6 fps from AA batteries for more than a couple of shots. If it could it would blow up
These are pretty much laws of physics.
The only ways to do this are
1. Run the flashgun from external power (like a Quantum) via the high speed charge socket. It still won't keep up with 6 fps and Quantums really can blow flashguns up.
2. Use a very fast cycling mains powered flash gun - and I don't know of any that could cycle this fast. There are probably specialist ones with h-u-g-e capacitors that can do a limited number of flashes like this. Think £££££.
One of the maths boys could work out how fat the pipe would have to be to completely recharge a flashgun in less than 1/6s - and how hot everything would get. For me the answer to both is "a lot".
Seriously, what are you shooting that needs this?
The other options are to use lower power on the gun (should give you a few shots) or use banks of flashguns. This is what the pros who actually need to do this do. You get 5 Pocket Wizard Multimaxes and 4 flashguns. One receiver per gun each on a different channel and set the transmitter on the camera to rolling mode. Show 1 fires flash 1, shot 2 flash 2 etc. So flash 1 can recycle and cool before it's needed again for shot 5. Even then you'll need external power and not to keep this up for long.
Or do what the movie boys do and just get a 4 kw continuous light source.
Kidography. It's like photography. But more fun.