Apparently preliminary buzz is so good on Flash: Rebirth that DC has already announced the next character getting the Rebirth treatment: Vibe from the 1980s "Detroit-era" Justice League.

• After Flash, It's Vibe: Rebirth
• Geoff Johns and Ethan Van Sciver talk ‘Vibe: Rebirth’

From the first link, Dan Didio explains:
It was really a melding of events. ( Read more... )