Our iPhone 6 roundup has been updated with the latest information. All signs now point to 4.7" and 5.5" screen sizes for the iPhone 6. The 4.7" model is expected around September of this year, while the 5.5" model may be delayed until the very end of the year. Apple's new sapphire crystal display may be in limited supply, however, and may only ship on the high end (64GB 5.5" iPhone 6) model. Read full roundup for details.