updating office 2003

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I used MSFN's guide on slipstreaming updates to Office 2003. It was very easy, thanks guys.

One question though, I used ORK to create a predefined Office 2003. To use that I pointed to PRO11.msi. My question is, if MS releases a new update to Office 2003, do I have to repeat the whole ORK process again? Or is it fine just doing it once?