That really sums it up. There are so many great things to say about the bootstrap framework, that really you aught to just go to the bootstrap website and check it out for yourself.
We've taken that framework, extended it with features that we know website designers also like to use, and then wrapped it in a pretty design.
Below are just some of the great styled components that you can take advantage of in your website.
You can even take advantage of great bootstrap resources such as Bootsnipp, where you can use free HTML snippets that work with Bootstrap. Just follow the instructions provided and you can have an extremely polished professional looking website.