A quid is a slang term for the British pound. So currently, 1000 quid (or 1000 pounds) is about $1500 US dollars.
Sidebar is a theme feature introduced with Version 2.2. It's basically a vertical column provided by a theme for displaying information other than the main content of the web page. Themes usually provide at least one sidebar at the left or right of the content.
Techopedia explains Windows Sidebar. The basic goal of Windows Sidebar is to give quick access to the most frequently used tools and programs directly through the desktop. This utility keeps track of the userâs preferences and saves changes. âGadgetsâ are the items shown in the sidebar, and gadgets can include utilities such as: Calculator.