Now you must be saying to yourself “yeah, I already knew the codename Ranger”. And I said the same thing. Because I talk to myself in the third person a lot. But unlike the mixed personal pronouns Microsoft has pulled a 180 on their usual tactics in marketing and naming of products. For the new name of the next Windows is .. 7.
The Windows Super Site has updated their Windows 7 FAQ to reflect this and some other info about the new Operating System. You can find that info at the link below.