Beta Phase 4 starts 17th/August and ends 19th/August.

Beta phase 3 players can start one day early on the 16th/August

Early access starts on the 24th/August, no down time between early access and launch.

Level cap is 20 in phase 4.

Fee based world transfer service confirmed (available 2-3 weeks from launch)

More: http://www.reddit.com/r/ffxiv/comments/1jy965/beta_phase_4_starts_17th/