[jeffn1]

Typically, PDFs use less space on disk which will result in less disk I/O.

What about a 300-400 page Real Book PDF?
One of them is a lot larger then, say, 12 single page PNG files.

But I guess, it's still only loading the PDF once, while there are multiple PNG files to be loaded. Once it's loaded them from disk, it's all about processing, and I assume a setlist loads as much as possible when you first open it?

I might have to do some comparisons :-)

I generally pull the songs I am pretty sure I am playing, print them out and scan them individually as pdfs and load them into MS. I just think its asking for trouble to have numerous large pdfs open (to play a songs from each one). It also seems unwieldy.

On the other hand, I have access to a fast scanner at work. So, its not too big a deal to scan the individual songs I want (I am up to over 500 now.)