"Left click on combined items" to "open list".
Show number of combined items on taskbar button like windows xp.
And choose how many are opened before combining
That's possible with 7+ Taskbar Numberer. See here:
Thanks, can the number be shown beside the icon like the picture above?
What about left click for list and middle click for thumbnail previews?
Currently that's not possible with 7+ Taskbar Tweaker. I tried to implement this once, but it turned out clumsy and confusing.
Customer support service by UserEcho