Thankfully, right-click is still there in Windows 8 - both in the traditional desktop as well as Windows 8-style Start Screen.

In addition, the traditional Windows hotkey shortcuts still work well for navigating Windows 8 with a keyboard/mouse for us veteran IT Pros that aren't always using touch screen devices. There's also a few new hotkeys. You can get the full list of hotkeys at
http://aka.ms/win8keys.
HTH,
Keith
http://KeithMayer.com - IT Pros ROCK!