I use dreamweaver MX and I do not agree with the posts above this.
Frist is great to work when somebody is doing the designs and then you need to implement the programme. And second if you are keying your code in it doesn't add any funy caracters anywhere.
I wish macromedia gave the same importance to php as it does to asp so we could have more suport build in into the software. I also wish I knew how to use the snippets better and then the production times will greatly improve.