Originally Posted by kovidgoyal
that's because the Mac version is a universal binary and therefore is about twice the size of the windows version.
Didn't mean it that way. iTunes is a much bigger download than that. Just mentioned my download times since the OP was saying it takes him over an hour to download.
There have been times when the mobileread site would just continuously time out on me, though. Maybe he's unlucky and he might have been downloading Calibre during those times?