Will 3D blu rays come with an option to watch them in 2D and work on regular blu ray players?

Depends on the price point really versus a non 3D Blu-ray player. Last time I checked Sony's BDPS470 3D Blu-ray player was $10 more than its non 3D equivalent. I would pay the difference.

This one is the best blue ray player. Samsung BD-C6900 1080p 3D Blu-ray Disc Player Technical Details - plays 3D Blu-ray discs and regular Blu-ray high-definition discs - selectable 720p/1080i/1080p video upconversion for DVD - built-in audio decoding to PCM for Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS-- HD and DTS-HD Master Audio Essential - Internet@TV offers downloadable widgets and apps like Netflix, Blockbuster, Facebook, - YouTube, Twitter, Flickr, Pandora - USB port (front) for storing downloaded BD-Live material.

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