Monitoring system with windows update support

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http://serverfault.com – A client has requested a monitoring system that allows to send updates to computers. Time ago I heard of MARS console, but I'm not even able to find a web. It was supposed to be able to update all software in the computer. Do you know of a monitoring system that allows this? EDIT: With monitoring I refer to CPU, disk space, cpu load... WSUS is not suitable for that, as far as I know. We want to deploy one system instead of two, if it's posible. (HowTos)