movadoevo8
Member
Looks like NON rooted Nexus One users can manually download and install the froyo 2.2 ROM. Now if only it was available to the Motorola Droid 
Android 2.2 Froyo manual update found, now available for select Nexus One devices -- Engadget

Android 2.2 Froyo manual update found, now available for select Nexus One devices -- Engadget