You need to visit the calibre forum for questions. As for calibre itself, you can find the newest version via the link in the forum description, or directly at the
calibre website. Your proper flavor will be on the download page.
And yes, it rocks the Sony Reader; I have a 505 myself. Calibre also has the fastest updates of any software I've ever seen. If you like it, don't forget to send some money Kovid's way; we users are the only thing standing between him and having to get a real job.
