VisualStudio 6.0 Addin Tortoise SVN. It alows diff, update, commit etc files under SVN control via Tortoise client directly from VS 6 interface. TortoiseSVN client required.
This plugin allows you to access CVS directly from within VisualStudio and other IDEs/editors.
The dialogs are designed to be as unobtrusive as possible, and not by default offer options etc. that are seldom used.