Total cost of ownership, where IDS has a clear lead, is prominent in the news reports, which include this quote from Arvind Krishna, VP of database servers:
One unnamed customer runs 4,000 physical locations and more than 10,000 instances of the current IDS release with just eight DBAs, he claimed. "If you can show me an Oracle installation [doing that], I'll buy you the bottle of wine of your choice," he said.There are some other good quotes in this article which go toward explaing why IDS is not only still around, but experiencing dramatic growth in licence revenue and significant R&D investment.
Expect to see more about Cheetah at the Information OnDemand (IOD) Conference in Anaheim, California. The Cheetah beta is expected in the next few months - talk to your sales representative if you are interested in signing up for it.