How to evaluate hosted full text search solutions?

Question

What are the options when it comes to SaaS/hosted full text search? How should I evaluate the different options available?

I\'m looking for something that uses Lucen

Answer 1

Another option for lower-volume websites is Midwestern Mac's hosted Solr search (I am the owner of Midwestern Mac, LLC, just fyi).

Although it's not too hard (if you can use a command line respectably well) to provision your own server on a VPS somewhere...