There is a lot to learn and embrace in Revit 2011. If you've been waiting to move from a CAD platform to a true BIM modeling solution, now is the time. Plan to upgrade your hardware to really embrace the productivity enhancements. No sense driving a race car without the horsepower to make it respond.
Gregory Arkin has been posting like mad about 2011 - get the skinny here. Register through his link to watch the Live Webcast and help him get a free Autodesk pen.
Steve Stafford has a link to an article that is worth reading - here.
David Light should have some youtube videos linked up soon - here