If you do not like Windows 7 style of taskbar and taskbar buttons, you can easily customize it, to make it look like the Vista taskbar.

To do so:
Right click on the taskbar > Properties > Check Small Icons > Also under Taskbar Buttons setting > Select Combine when taskbar is full > Apply > OK.
Alternatively, you can also open regedit and navigate to
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
In the RHS pane right click on TaskbarGlomLevel and Edit ist DWORD (32-bit) its value to ‘1‘.
Used in combination with this tip, will make your Windows 7 taskbar emulate Windows Vista taskbar, by and large.
If you have liked this post, you might want to check out some more, on topics like Desktop, Tabs, Taskbar, Taskbar buttons, Tips.