Sorry for the shameless plug for my project but it's an open source endevour and I think it may be of use to may of you. Forage is a search abstraction layer making it easy to implement serious search solutions for your websites without having to worry about the details of the backend. You can find a number of tutorial posts on how to use it on [URL='http://www.roryoung.co.uk]my blog[/URL]. I hope it's usefull to you, let me know.
