The first thing I did after installing it on my linux desktop was to uninstall Google Chrome in my Windows VM.
I'm not sure why it took so long but if my experience on occasionally using it inside a windows VM is any indication, it's worth the wait.
Coinciding with the release of the Linux and Mac versions of the browser is the opening of the extensions gallery (think Firefox Add-Ons).
I'm still looking but I haven't found anything like Mozilla Weave or Opera Sync yet.
Here's coverage from some of my favorite sites around the web :