I took a look at Git support in NetBeans IDE yesterday and today. I like the repository browser a lot:
Nice. Also cool are the many new features and enhancements in the upcoming NetBeans IDE 7.4, such as the reorganized menu structure...
...and the new rebase support:
Are you using Git in NetBeans IDE and what do you think of it? All of this is out of the box, of course, no plugins.
Here's the latest enhancements in NetBeans IDE 7.4 in relation to Versioning Tools: