Although I always think that WSP builder is much easier to use than vsewss, it seems that there are many more people using vsewss than WSP builder, so...
Download the latest vsewss documentation, including many good guidance documents and walkthrough of various typical vsewss projects.
Another 1: The vsewss version supporting vs 2008 is planned to be released in March.
Another 2: stsdev 1.3 is released. This is the last version before stsdev 2.0. It is basically a bug fix version. The stsdev development team has a great plan for 2.0. In addition to functional improvements, it also plans to build a vs add-in mode. I once emailed them and complained that there are already enough vs add-in (wspbuilder, vsewss, AC's vs SharePoint project utility tool window ), developers generally do not like to install too many plug-ins in their vs for the same purpose. Their reply is very simple: "Our goal is to take out all the add-in statements that have already been used "...