Remember as this is a beta there will not be official support from Microsoft, but there is a beta forum you can join to provide feedback.
Only install this if you are a more experienced user as this is not a final release and there may be a few bug encountered with this build.
ActiveSync 4.2 Beta Preview supports PC sync via USB cable, Bluetooth, or infrared connection.
ActiveSync Beta can be downloaded from HERE
System requirements are available from HERE