Magnifier Circle - Handy for presenting blueprints on a projector

Last month I tried out a magnifier tool window, but it doesn't help much as it is actually more distracting than useful. I've found myself a nicer one:

http://depts.washington.edu/aimgroup/proj/ptgmag/

This is a free windows utility which lets you toggle a magnifier circle that pops up where you click. Makes those endless variable lists read nice on a projector without swimming all over when moving the cursor.