@Bozza one thing I used to use occasionally was click the no. of replies on a thread before you went into it gave you the number of times each poster had posted on that particular thread. That no longer seems available in any form.
Other than that, loving the new appearance, format...
You need to click your name top right, then click through to account, then you have some alert settings which you can set which notifications you want to get. I think...