I haven't had time yet to post my own screenshots, but found this blogger who has done some nice work with adding a few screenshots of the new and upcoming Windows Home Server, now out in public beta...BD
You instantly notice that setup is a bit different this time around. When installing on the same PC you are given the choice of install type which is either a new install or a server re-installation. This completely wipes all settings etc. but preserves backups and all shared folder contents, cool!