Virtual Desktops rock and you should read this list of new shortcuts before complaining that there are none, like I did. Important ones:
* WIN + TAB, new task view opens up and stays open.
* WIN + CTRL + D, create new virtual desktop.
* WIN + CTRL + F4, close current virtual desktop.
* WIN + CTRL + LEFT/RIGHT, switch virtual desktop.
Unfortunately, the new start menu doesn't really rock. I suggest you have a look at my suggestion about the Search Everywhere Interface and maybe vote on it.