Discoverer 11g (18.104.22.168) Certified with E-Business Suite
The folks over at PSST0101 found a link to a series of lectures/demos to check out, starting with one on combining sections. The versions are a little dated, but the price is right - freely available on the web due to the generosity of the University of Southern Mississippi.
Looking for a good Siebel blog? Siebel Essentials has a good flow of practical, hands-on technical articles. Example: A Quick Look at Quick Fill