Such a time & hair saver!
If youre developing any type of web site, this is a great time saver.
I dont use the Blueprint framework with my sites, but it doesnt matter. This app will allow you to export semantic CSS/HTML to use any way you want.
You can quickly layout a web page framework and export the result to get a jump on the development of the internals (text/graphics/etc). With any new development, getting the framework setup and correct is the first step to creating a well designed, easy to maintain web site. This tools allows you to do just that.
The Add background feature is a great tool. I took a screen shot of my current site (which Im thinking about re-designing) and it allowed me to quickly setup the html/css framework to build within.
Working without the visual cues from the background image, I can try different layout options. And when Im done playing, I know Ill get valid HTML/CSS as my starting point.
Import the output files into my favorite HTML editor (currently Espresso) and Im off and running.
NoFakeNamesPlease about Blueprint Builder