I'd like to add another scenario for the BTSync team to take a look at: I run two machines, both dual-booting Ubuntu and Windows 7, and installed BTSync 2.0 without a hitch on all four OSes, where the directories are referenced at the exact same locations (eg. E:\Data in Win7 and /media/Data in Linux). However, files can get overwritten if the following series of events are in order: Initially, all files have been synced with all 4 OSes. 1) Files are modified on Machine A and is synced with Machine B on Ubuntu, 2) Machine B switches off. 3) Machine A continues modifying files. 4) Mach