All the shortcut keys can be seen in the menus. However there are other shortcut keys not mentioned:
Ctrl-F4 or Ctrl-W - Close window
Ctrl-Shift-W Close all windows (in CVS version you can also use Ctrl-Shift-F4)
Ctrl-F6 or Ctrl-Tab - Next Window
Ctrl-Shift-F6 or Ctrl-Shift-Tab - Previous Window
For comodity, here are two commonly used keys:
F2 - Hide / show message pane
Shift-F2 - Hide / Show Manager pane (aka Solution explorer)