My new obsession with Twitter (follow me as @draab) has led to several messages from people who seemed to have trouble choosing between Eloqua and Marketo. This is a bit perplexing, since those products are at the opposite ends of the spectrum: Marketo being relatively low cost / limited functionality / easier to learn, and Eloqua being higher cost / richer functionality / takes more training. But even including that, the first year cost for most of these will be less.) : Manticore Technology : a full-featured demand generation product. Just kidding.or Read it here.]