I have a few static sites with all pages in html and and some with 100+ articles. And at that point updating them is a total disaster - to add a new page I'd need to edit the menu in all the other pages - manually! The pages have grown too big now and each page has lots of redundant js and other code, so needless to say I want to structure this better somehow

The two options I was thinking about are either put some elements in php, or just use wordpress. I've recently noticed that the new owners of monsterguide.net actually use WP. This would require quite a lot of modifications to make WP look like a real site, rather than another lame blog

So what do you think, would it be a good idea?