It might be true that Windows will block the 300dpi screen era for another ten years or so, but so will Linux and OS X. FreeType on Linux handles scaling fine.

It might be true that Windows will block the 300dpi screen era for another ten years or so, but so will Linux and OS X. FreeType on Linux handles scaling fine. And considering that the iPhone 4 has a high DPI display I think Apple has it figured out, too.