I do believe I'll leave it at that. Enjoy,
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Just confirming the parent post above that the Sony Reader does do ePub format. It does PDF as well, although that can be more frustrating than not; on a device with a smaller screen like the new Reader touch, enlarging the font does not reflow the page with PDFs. You end up being stuck with single pages with a sentence or two on them (at the size I read), unless your eyes are exceptional.
Unfortunately, the local library has far more PDF offerings than ePub, and far more DRM'ed Windows Media content than anything else.
Vitamin C deficiency is apauling.