Entropysearch alternatives

[sparek-3]

This is really the first time I've dealt with entryopysearch with a client, and it appears to be a little inadequate. I'm just curious as to what other simple site searching scripts you have used or would recommend. Preferably I'm looking for something simple that clients do not have to work it very much. I know there are several out there, but just curious as to what other people might be using.

Thanks