My preferred Visual Studio settings.
Choose source control plugin:
Tools → Options → Source control
Choose 'AnkhSVN'
Display line numbers in editor:
Tools → Options → Text Editor → All languages → General
Check 'Display line numbers'.
Configure tabbing:
Tools → Options → Text Editor → All languages → Tabs
Set 'Tab size' = 2
Set 'Indent size = 2
Check 'Insert spaces'