Windows Server Update Services
WSUS is the next version of Software Update Services (SUS), I have this question in one of partner events last month, on how to filtering updates in SUS. "We don't need update of Japanese Windows XP..."
Another question on how to applying Office update through SUS. Though WSUS had been in the market since mid of the year, yet I did not remembered to suggest WSUS to him, so apologize for that -> "Presenter juga manusia..." :)
For all those reasons, I suggest you to take a look at WSUS, builds on the features of SUS by providing more updates for Microsoft products, filtering updates from Microsoft Update by product and update type, reporting capabilities, etc. You can check the overview of WSUS here.
Anyway, here are some of the snapshots. It rans well in my lab machine, however you can refer to the following documentation for references :
•Step-by-Step Guide to Getting Started with Microsoft Windows Server Update Services
•Step-by-Step Guide to Migrating from Software Update Services to Windows Server Update Services
•Step-by-Step Guide to Getting Started with Microsoft Windows Server Update Services on Windows 2000 Server
•Deployment Guide
•Operations Guide
WSUS home page
Synchronization Options

...and with this option, you will be able to get rid all non-English updates from your server ;)
