Try Shoptivate search:

Get Shoptivate Search for your store today! Your customers will find what they're looking for faster and easier than ever before.

Yahoo! store owners, don't miss our special offer!

Our search engine combines Patent Pending instant predictive search technology (presearching) with a clean, integrated shopping interface. This AJAX shopping experience is unlike anything else on the internet.

Shoptivate search predicts what your customers want and produces search results even before your customers finish typing. Can your current store search do that? Shoptivate search is built right into your site and integrates with your shopping cart.