Canon SpeedLite 470EX-AI at a glance:

• Auto Intelligent Bounce Head
• Compatible with Canon E-TTL / E-TTL II
• Guide Number: 154′ at ISO 100 and 105mm
• Zoom Range: 24-105mm (14mm with Panel)
• Tilts Upward 120°, +/- 180° Rotation
• AI.B Full-Auto and AI.B Semi-Auto Modes
• Optical Receiver Mode
• LCD Panel
• AF Assist Beam
• Runs on 4x AA Batteries

The Canon Digital Learning Center posted a set of technical/instructional articles about the new Canon SpeedLite 470EX-AI.

• What’s New: Speedlite 470EX-AI — Basic Information
• What’s New: Added Control with Speedlite 470EX-AI’s Personal Functions
• What’s New: Speedlite 470EX-AI’s Revolutionary A.I. Bounce

Pre-orders for the Canon Speedlite 470EX-AI are open at $339 at B&H Photo | Adorama | Amazon