Flux is an advanced XHTML and CSS web design software. You can do Web 2.0, AJAX, and most other buzzword-compliant things. Flux has the following features:
Drag and drop design of web pages, you can do almost anything without touching or even seeing XHTML/CSS . But you can meddle with the code if you want.
Apply cool (or cheesy) effects to images from right within Flux.
Attach funky javascript actions to your page without having a clue what you're doing.