I've heard of them, but we've never used them. We did go off support for a few years with TommorrowNow. I'm glad we're back with Oracle. It's difficult keeping your system current without access to service packs and ESUs.
Keep this in mind, in three years will you need to update your database, OS or hardware? Will there be new viruses to guard against? Are you using third party apps like Cognos, webmethods, vertex? are they going to change or the current version go off support in the next three years? How about five years? Can your business afford to freeze your system and wrap it in bubblewrap? That's the real cost of third party support, lack of progress.... food for thought on a fine Friday afternoon from someone who's been there, done that....
- Gregg