We’re all not getting any younger, unfortunately. And that means our eyes like to look at things that are legible and don’t strain the eyes.
Mac OS X Lion just added higher resolution cursors which means we can now make our mouse pointer bigger without losing quality.
Here’s how:
Quick Mac Tip- Change the Mouse Pointer Size in Lion from Arlen Nagata on Vimeo.
Arlen Nagata 
Hi, thanks for the cursor tip. Please can you tell me how you highlight parts of the screen using a spotlight style light, would be very useful for presentations etc.
many thanks