We've heard so many rumors about a 4G version of the Nexus S heading to Sprint. Now a leaked logo seems to confirm the rumors. Engadget has posted this logo that makes the Nexus S 4g a near certainty. It looks like Sprint will announce the new device at CTIA. Sprint has been teasing us with tweets and such about Android, so the world is expecting a big announcement at CTIA. A 4G Nexus S would fit the bill for a big announcement. This would give Sprint a top of the line Android phone to offer its customers. Would you dump your Epic 4G for a Nexus S?