A little bit o’ company promotion here.
Jeff and Darcy recently published “Site Content Search: A User Experience Analysis”, an in-depth review of search engine interfaces, what works, what doesn’t. Boatloads of examples, screenshots, etc.
Use the coupon code SEARCHDEAL to get 15% off your whole order, as long as the search report is in it.
To get a taste, read Jeff’s latest essay, 8 Quick Ways To Fix Your Search Engine.