visualSVN is good and AnkhSVN is a decent free one. I've never placed a massive priority on source control integration to the IDE though, TortoiseSVN does fine

visualSVN is good and AnkhSVN is a decent free one. I've never placed a massive priority on source control integration to the IDE though, TortoiseSVN does fine for me. What workflow do you use that requires it to be integrated into the IDE, or is it just a convenience thing?