Nice phone, shame about the name.
As I quipped in an earlier post, the name “Windows Phone 7 Series” is a bit long, and suggests that the people who do Microsoft’s branding get paid by the syllable. This is the sort of left-brain-lopsided mindset that has produced names like “Windows Server 2008 R2”.
My fellow Developer Evangelist John Bristowe pointed me to this Joy of Tech comic which attempts to ratiocinate the etymology of this unwieldy appellation: