Anyone know where that can be found?

Depending on the target platform, it looks to me like you can use:

http://download.microsoft.com/download/sql65/SP/1/NT45/EN-US/60sp3alp...
http://download.microsoft.com/download/sql65/SP/1/NT4/EN-US/60sp3mip.exe
http://download.microsoft.com/download/sql65/SP/2/NT45/EN-US/60sp3x86...

However, the KB article pointing at them no longer exists publicly, so if
you need more information about these service packs, you'll need to contact
PSS.

Hope this helps,
Stephen Dybing

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