Originally posted by tripodquest 
Are strobes like that expensive? I have seen the strobe setups with a controller and heads for $200 and up, they looked like a cumbersome/large setup. I saw some disco strobos for cheap. I don't know what is what. Do you need an expensive setup like that in order for the strobe to only fire once? In discos they're "always" on, what if you only want one flash (like you would for a single exposure), how can you accomplish that? A strobe light would be more attractive because of the higher power output (enough light for really short shutter speeds) but if it has to be complicated, cumbersome and heavy then I rather go with the flash for now and think about strobes later when I actually want a proper studio.
The least expensive very short exposure flash I've heard of is the
Paul C. Buff Einstein. It's manual, like the YN, and large, as it's a full size studio unit. It runs a bit lower cost than a Pentax 540. As with any flash, its fastest flash comes at reduced power, but since it has 640 watt seconds, about the same as 10 or so Pentax 540 units, low power will still push a lot of light.
. There's probably some reviews to be found or hopefully someone else will chime in.
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