"Retina Display" bad term
I really don't like the term "Retina Display" because its definition is too variable and subjective to the user.
See, Retina Display for iPhone Screen is 300+ PPI, but held at X distance away from screen.
Retina Display for iPad is 260 PPI but held at XX distance away from screen.
You could say a TV display is retina if you watch it from triple-X distance!!!!
Apple just HAD to go and do their marketing thing
Sure, it is a cool name that got the people, but when it gets down to technical details it basically talks about some high PPI and a certain distance to make individual pixels not discernible to the human eye.
A real "retina display" definition, if any, would be such that looking at the screen right up close (before human eye starts getting the blurred-up-close view) won't show any individual pixels.
With all that said, I know what you guys are talking about when you say "Retina Display".
I hope iPad 3 has doubled-res (expensive??)
MAC OS X NEEDS RESOLUTION INDEPENDENCE