That's what I'm worried about as well, have some SYS in limbo to Mintpal that I sent about 4 hours ago...
We are working to make sure we get on the best chain. We are coordinating with pools and Mintpal/Bittrex to make sure we choose the best chain / cause the least possible damage.
A fork in 12 hours. Mother of god. Longest downtiem ever
We forked too quickly yesterday and look what happened. This should give people plenty of time to stop mining, and do whatever it is they need to do to prepare to update.