I agrre with Hatchet. WYSIWYG is great for piecing together websites. But you won't know how to write a website. This may or may not be sufficient for you. If all you're capible of is of the options to given you by a GUI, you'll never know what you can acomplish. You won't really understand how the page is made, so when changes are made to standards(ie. RFC updates, new langs,yadada) you won't be as on top of it.
Now maybe you don't have time too do it this way, WYSIWYG is definately a quicker way to quickly get up and running without alot of learning. It seems a good number of "proffesional" designers don't "write" their clients sites. Maybe I'm just hard-headed. I like learning things from the bottom up and computers are my hobby so I have a good amount of time to teach my self things. It's up to you to decide how much time you have to invest nto your site. Often you're better of paying someone to do it while you focus on what makes you money. Or keep your money and use a good WYSIWYG editor. I've used Quanta Plus and Scream, both open source on Linux, maybe they have Windows versions if thats what you use.
If you want to learn the langs, Hatchets advice was sound.
Goog Luck,
Don