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In the end it all comes down to personal preference!
Personaly: I wouldn't touch Dreamweaver with a 10foot pol!
May I mention my favourite editor
HTML kit, as noticed amongst those working on the Theme Forge, a very popular tool amongst theme designers
By the way, the (future) XOOPS Theme Forge will have a special section, looking at the multitude of editors, and other tools....so get excited
(though it will still take a little while...but a couple of people are working hard on it; anyone who would like to contribute, contact me!)