I tried to open a PRC file on Stanza but it show "loading..." for 2 hours until now, and I don't know how long more will it actually show me the book's content.

The file is opening normally on MobiPocket for PC within just a blink.

Same problem happens when I tried with Calibre.

1) Slow loading. Hyphenation off. 6-7 seconds to launch Stanza and return to John W. Campbell's "The Black Star Passes", a book downloaded via wifi from within Stanza from Gutenberg. Same amount of time, each time. (I can actually count 1 one-thousand, 2 one-thousand, and get up to 8 one-thousand!)

I just checked on the Gutenberg site and the book is only 176K in size in epub format (and only 233K in an epub format with images, which my ebook doesn't have). It's relatively fast to return to from within Stanza itself (2-3 seconds).