Going from Home Server to SBS to EBS
The question was asked if Microsoft has planned the migrations between Home Server to Small Business Server 2008 to Essential Business Server 2008
The answer is absopositivelutely -- check out this whitepaper from going to SBS to EBS as one example of how they are planning the migration
Download details: Migrating from Windows Small Business Server 2003 to Windows Essential Business Server:
http://www.microsoft.com/downloads/details.aspx?FamilyID=191b141e-3a1f-4c1b-bd2d-15623751e518&DisplayLang=en
Keep in mind that Home server can actually stay in that migrated SBS network and live side by side if you wanted to.