Joolz, you need to select Template, then select Customize, then click on Advanced and then you will be able to change all your colours, fonts for your Post titles, date header etc
I'm not thrilled with this thing, either. Why do they have to "fix" what isn't broken? I really liked the old dashboard and now it's all spread out and harder to get to the parts I use most. *sigh*
I love when you comment on my blog but will not publish anonymous comments unless you reveal a name.