Note: I'm not asking how... I know that. I'm currently using Paragon Software's drivers which let you access all drive formats from all OSes (e.g. the Linux drive from OSX or the OSX drive from Win7, etc.) I'm specifically asking which is the best and why?
For instance, I want to share a data partition for documents, music and even my Dropbox account between all three OSes and I've done that between Win7 and OSX by throwing it on a NTFS partition. Just wondering now that Linux too is in the mix, if its better to set up HFS+ or linux format instead?
I'd love to share a user directory between all three, but I'm pretty sure permissions will make that impossible. However, I'm not sure.
Again, to be clear though since I'ts brought up so much below, I am not asking for compatibility with the OSes as far as access is concerned. I have Paragon's drivers for all OSes to read and write to all formats. Again, it's a question of which format is best, and why.