sentence1: The recent releases are as follows : 3.3 (Summer 2006; inferior); 3.4 (Fall 2007): OEM only; currently : 3.5 Technical Previews.
sentence2: Unfortunately, means you can only get the outdated and (compared to later 3.4 and current 3.5 versions) pretty much incapable 3.3 if you plan to go for this browser.