PS3. I have a friend who makes all the menus for blu-ray movies and he said PS3 is the best. The other blu-ray players don't have the same power to run the menus at proper frame-rates.
I thought u should know... If u live in the LA area, a small local shop named Gameplay on Venice broke street date and is currently selling them. When I was there last, I saw stacks of them in the back. There were a huge line of people waiting for them, fyi.