It's good that you have some familiarity with Dreamwidth already.

Some folks find that coming back to it after an absence, or picking up a blog they barely touched, can make it hard to remember how things worked here. Or the communities you frequented then are dormant now, and you're not sure where your favorite content or people are currently hanging out. That happened to me when most of my audience moved from LiveJournal to Dreamwidth -- I hadn't done much with this one and now it's my primary blog.