I'm glad I took the plunge also. I was afraid to at first, but after reading everyone's recommendations on it I finally did it.
I love it! Thankfully, I learned the x lesson when I only had two tabs open!
You can bookmark a set of tabs. It's really nice, you can open latest threads, my comments, latest posts, FRmail, your locale, etc, whatever your preferences are, and just click on that one bookmark and everything opens at once.