Pardot : another pretty powerful product; see my blog review from December 2008. The system didn’t do landing pages or forms when I spoke with Fred, although he tells me it does now. Act-On Software : a slightly different take, with strong Webinar support and an option to use its own low-cost sales automation system as an alternative to Salesforce.com Price starts at $499 per month. 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. Just kidding.or Read it here.]