Just for a laugh I have started playing around with Live Search macros. In case you don't know, Live Search Macros are our way of building tailored search engines to search only specific content.
I went for an obvious subject for my first Live Search Macro - SQL Server Integration Services. This macro searches all of the following sites for SSIS content:
I deliberately haven't included Books Online in this list - if you want to search Books Online then go right ahead. This macro is intended to be for searching SSIS community content rather than the formal documentation. This list is by no means exhaustive nor immutable so if you have more websites that you think should be added to this list, let me know by posting a comment to this blog.
You can use the SSIS Live Search macro via this link: http://search.live.com/macros/jamiet/ssis/

You can even choose to search a macro rather than the whole of Live Search itself from right inside the address bar of IE7:

That's a great example of combining software and services into something that becomes wholly useful.
-Jamie
UPDATE 10th April 2007 : This macro is now up on Windows Live Gallery too : http://gallery.live.com/liveItemDetail.aspx?li=0d838135-ead3-4f4f-b192-44c37f1d794a&l=4
UPDATE 1st May 2007 : It would be remiss not to point out that the same is possible with Google custom search. Robert Scoble talks about this here: http://scobleizer.com/2007/05/01/appleman-raves-about-googles-custom-search-capabilities/