PSF, or Please Stop Failing, is without doubt the biggest pain in my rear across an MAT. Ever. Support is awful, they are complete renegades with no regard for your data or systems, the software itself is slow, poorly designed and hard to use. Don't even get me started on the manual ini file editing, and the sodding "document imaging" only works once in a blue moon. Buy a roll of dot matrix paper, an abacus, and maybe use a calculator if your stuck and you'd STILL be faster and more reliable than PSF. Avoid!