You may all you coders laugh at me, I don't understand how you can just code in notepad knowing exactly what your page will look like. Anyway : I use Dreamweaver and never did with CMS, but what is the simplest : a WYSIWYG software (like dreamweaver) or CMS ? Do you get the same results ? Thank You.
As T0PS3O already said you are confusing things. Do you mean bbcode/markup like the ones used in wikis? Either way WYSIWYG is usually the most user friendly, but also happens to be the least flexible one.
As T0PS30 pointed out - most of the CMSs online have a WYSIWYG editor built in to help you create the HTML code. Expressions (the newest MS Frontpage and baby brother to Sharepoint) creates very good and compliant (X)HTML coding. I just created on site in Expressions and everything validated. I am using Sharepoint 2007 now - which is overkill for a lot of users but it is just as good as Expressions. I just recently installed Dreamweaver once again and it seems to be pretty good as well. I have always used Frontpage and as usually always been very pleased with the new editions.