Originally Posted by johnnyb
Once registered, your iPad will get a Kindle email adress, If you convert to mobi, you can email your books to your Kindle app on the iPad... The will be stored in the Amazon cloud, will sync across devices (if you like) and bookmarks, highlights and notes will be backuped via Amazon...
Of course this assumes you have a Kindle App. Mobi will not work in iBooks but you can download a Kindle App for the iPad from the app store.