The font-resizing is a bug of the 1.0 firmware on the Kobo. The forthcoming firmware update is due out at the end of June, and has been confirmed to include a fix for this problem.
I would toss the book up anyway, no reason to lose sales by not doing so. It's not like you're uploading a broken ebook, the fault is on the Kobo's side. The firmware update will fix this in just a couple weeks, and in the meantime I think most Kobo owners have figured out the workaround for the problem (we even have an automated gui tool available at the Kobo forums here).
Last edited by Stinger; 06-17-2010 at 06:09 PM.
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