Just keep in mind that you need a faily recent version of VMTools if you wish to use the VSS support for Windows VM snaps. I believe VSS support arrived in something like 3.5update2. So you would want to update VMTools and then add the VSS option via the Add/Change Programs control panel, otherwise you are stuck with the legacy Sync driver.
Only a fresh install of VMTools will have VSS included by default.
VSS gives you the much better constancy for Windows snaps, as described in the VMware Virtual Machine Backup Guide.