Have you noticed that Safari's hovering-over-a-link pointing-finger cursor looks a little different in Mac OS X 10.7.3? It's not just that the finger is at a slightly different angle - it's a new UI resource that scales gracefully to larger sizes. That's not the only new high-DPI image resource in 10.7.3: the grabby hand in Mail, the camera cursor for selecting an individual window to take a screenshot of, and a few other UI elements got the high-DPI treatment in 10.7.3.
Gruber also notes that Mac Mini owners with HDMI hookups are being rebooted into HiDPI mode after installing 10.7.3, contributing to the hope that Apple will release a HiDPI Mac.
With the release of Mac OS X Lion a single check box enabled "HiDPI" display mode. With this mode enabled, everything is drawn with twice as many pixels as its non-HiDPI equivalent.
In December, DigiTimes reported that Apple may launch a new MacBook Pro with a 2880x1800 display resolution in the second quarter of 2012.
[Image via FinerThingsIn via MacRumors]