Here are the links to the various Hands On Labs or HOL’s as Microsoft calls them for the various flavors of SBS 2011
http://online.holsystems.com/portals/sbs/standard/
http://online.holsystems.com/portals/sbs/essentials/
http://online.holsystems.com/portals/sbs/essdemo/
http://online.holsystems.com/portals/sbs/stndemo/
http://online.holsystems.com/portals/sbs/whs/
Thankx to Michael Leworthy for passing them along