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Ranger would be a good option, I've got both the Ranger and the Mola BD.
My personal recommendation would be to not worry about chasing "hypersync" style shutter speeds and instead get the Ranger with the fast duration A head. Most strobe against sun shots have the sun as a backlight where the subject illumination is almost entirely strobe and only the edge of the subject is ambient light. In that case, the strobe flash duration is what freezes the subject, not the shutter speed. Most action photography is done this way (skate, snowsports, etc).
The Mola BD is great, but not the most portable modifier for location shooting. I'd recommend the 27" Baby Deep Octa instead. Collapses small and light, comes with a carrying case, is very flexible in use since it can be used with deflectors and/or in varying combinations of inner and outer diffusers. It makes awesome light too, and is cheaper than the Mola. It's also very efficient, maybe even more so than the Mola. It's also light enough that an assistant can easily boom it on a pole if needed.