From a user experiance perspective how easy is it to upload a word press or blogspot blog to a dream host forum?
I don’t know if I got your question right?
If you want to upload wordpress on your site, if should be pretty easy.
If you want to upload wordpress on your site integrated with a forum you should find one to integrate it. If you want to use MyBB together with Wordpress this have already been done. Google “WordBB Wordpress MyBB Integration”.