Scale UI in Lion ?

[OSMac]

I'd like to try and increase the size of all items,
similar to changing the dpi setting in windows 7.

I found a suggestion to enter
defaults write -g AppleDisplayScaleFactor 1.5

rebooted but could see no change?

 

[Stetrain]

I may be wrong but I think that in Lion the only way to scale the UI is to double the scale using the HiDPI modes (still sort of in developer preview, the option is hidden in the Quartz Debug app) which are designed for future high ppi screens and aren't really practical for current displays.