MySQL full text search is simple way to make your tables searchable. However, it doesn't really compare well with specialized full-text indexes which always do better job.

Aside from not quite stellar performance, it has fixed stop word list and depends upon MySQL which is (IMHO!) one moving part too much to index monetary.

Sole purpose of this project is full-text search. Let's not go into over-engineering problem: we have slow RDBMS searches right now :-)