Head over to the official Playstatiion forums (Warning: Many Potential spoilers)

Lucky bastard! He said he bought it from Ebay

- 4.5GB installation confirmed.

- Multiple installs (initial and before the beginning of every act) confirmed.

- Initial install: 10 minutes. Pre-Act installs: 2-3 mins 

This is old, I posted it earlier today. After doing a little research someone on the gamefaq forums found out that it is a copy and paste from a playstation blog that posted showcase pictures rather than real copies. This guy simply photoshopped his name in.

Actually, he said he bought from Ebay and he posted the seller name. Several others bought it afterwards. He has posted never-seen-before screencaps and some useful information.