Not sure what size you're looking for, but of the 6" readers, I think the Sony 600 is best for pdf. It has zoom and you can pan around the page. I don't use the zoom much, as I find cropped PDFs in landscape mode work pretty well on the 600. If there's an occasional chart or table, I can use the zoom on that. For very technical PDFs with lots of charts/tables, you'll definitely want to go up in size, and you may want color, at which point you may be better served by an iPad.
As for the glare on the Sony touchscreens, it bothers some and doesn't bother others. It bothers me, but I've noticed a big difference depending on lighting conditions. Under good lighting, the differential between the Sony touchscreen and pure e-ink screens is greatly diminished, IMHO. Under poor lighting, I find pure e-ink to be easier to read. Of course, under really poor lighting, all e-ink screens suck, and you need a backlit screen.
Last edited by flyash; 06-22-2010 at 05:26 PM.
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