NHST, a Norwegian publisher, shows how they migrated their search from FAST to Solr. FAST had some lemmatization and entity extraction features that Solr doesn't have, but the Solr multi-core architecture is more flexible, it's easy to tune, easy to run development versions, they're happy with Solr. The presentation is in Norwegian but there's an English translation below. [presented by Cominvent integration company]
Looks like oracle is bundling text search with it's content management systems, but only for the content in that repository. Customers have to buy a full license to index other sources. This also applies to Stellent CMS customers, or they can upgrade 11g. H/T to BeyondSearch.