I wanted to give my $0.02 worth. Based on my experience (and this goes for all developers that have chosen to go over to the "dark side"), here are some advantages Pro offers over home :
NTFS file system (better than FAT);
IIS and virtual directories for testing webservices;
Capability to use Remote Desktop;
Furthermore, that one post about the ActiveDirectories, I can feel your pain. But that is Microsoft for you. Applying one businessRule/solution for one "general" end user...