Last week I did my first big strobe investment and ordered 2 x Sea & Sea YS-D1. The next day (after dispatch) they announced the YS-D2.
I haven't received them yet but I'll have 14 days to return them once they arrive (EU law on online purchase).
Have any YS-D1 users here checked out the YS-D2? Worth the upgrade? The power output is the same and they say the buttons are improved but I think the YS-D1 buttons look much better for single-thumb settings changes.