After buying a Mettle DR-series monolight, J.L. Williams discovered it has an "FP" mode that can work with a camera's HSS system to sync at any shutter speed.
Adorama are working on some new own-brand lighting equipment, expected to be officially announced and released next year.
Mettle have introduced a budget-priced IGBT monolight with flash durations as fast as 1/10,000 second. Promaster are selling the D400R for under $400 in the USA.