27. A system having at least one of a hardware component and a software component having programming instructions tangibly embodied on a non-transitory computer readable storage medium, the at least one of the hardware component and the software component being operable to: provide in a first dedicated space of a user interface a listing of search results for a first requested collection based on at least one search term, and which excludes search results associated with any of one or more second collections; provide a customizable preview listing of search results based on the at least one search term in a separate pane of a second dedicated space of the user interface for at least a second requested collection of the one or more second collections, the customizable preview listing being a subset of a full listing of search results for the at least the second requested collection; and provide options to a user to customize the second dedicated space and the separate pane through an editing settings link in the user interface that is configured to provide customization controls which allow the user to remove the separate pane in the second dedicated space, order the separate pane with at least one other customizable preview pane in the second dedicated space, and allow the user to add another pane in the second dedicated space which includes the second requested collection to be any web site that the user inputs through a text editable box in an add sidebar module, wherein the second requested collection is defined to be any web site that a user chooses such that the search results provided in the separate pane only pertain to the chosen web site, and wherein the first requested collection is a first category of information for the at least one search term and the second requested collection is a second category of information for the at least one search term which is different from the first category of information.
27. A system having at least one of a hardware component and a software component having programming instructions tangibly embodied on a non-transitory computer readable storage medium, the at least one of the hardware component and the software component being operable to: provide in a first dedicated space of a user interface a listing of search results for a first requested collection based on at least one search term, and which excludes search results associated with any of one or more second collections; provide a customizable preview listing of search results based on the at least one search term in a separate pane of a second dedicated space of the user interface for at least a second requested collection of the one or more second collections, the customizable preview listing being a subset of a full listing of search results for the at least the second requested collection; and provide options to a user to customize the second dedicated space and the separate pane through an editing settings link in the user interface that is configured to provide customization controls which allow the user to remove the separate pane in the second dedicated space, order the separate pane with at least one other customizable preview pane in the second dedicated space, and allow the user to add another pane in the second dedicated space which includes the second requested collection to be any web site that the user inputs through a text editable box in an add sidebar module, wherein the second requested collection is defined to be any web site that a user chooses such that the search results provided in the separate pane only pertain to the chosen web site, and wherein the first requested collection is a first category of information for the at least one search term and the second requested collection is a second category of information for the at least one search term which is different from the first category of information. 30. The system of claim 27 , wherein the customizable preview listing of the search results is expandable to additional search results for the at least the second requested collection by selecting a hyperlink associated with the at least the second requested collection.