• Ivan Ivoras wrote an article that presents new features that will be included in FreeBSD 7. If you want to give it a try before it's released you can download a snapshot cd image or you can try his FreeBSD 7 live CD snapshot
  
• It seems like the next version of Mac OSX is going to get ZFS, well it shouldn't be hard now that it was ported works on FreeBSD 7 snapshots and MacOSX has FreeBSD at it's roots.
• Leopard is also going to get Dtrace from Sun but they'll call it Xray
• Want to try OpenSolaris but you like Ubuntu too much? Get Nexenta, an operating system that uses OpenSolaris kernel and Debian/Ubuntu. It looks and feels just like Ubuntu, has more then 12000 packages in the APT repository and you can take advantage of some features that don't exist in Linux ( yet ? ) like ZFS

It seems Solaris features (mostly ZFS ) make a lot of buzz these days. I wonder when ( if ever ) will Linux include ZFS in the kernel. I know there is a ZFS implementaion for Linux in FUSE, but that's never going to be used in production unless it's ported in the kernel.

I think the developers should leave the licensing mambo jumbo aside and really look at what ZFS has to offer and decide upon that if it's worth implementing . Isn't there anyone in the Linux world that wants ZFS ?