The site SendMeRSS offers an interesting way to read RSS feeds. This service sendsby email updates on registered RSS feeds. The service is really simple to use as it doesn’t require any user registration. Only a feed URL and  an email address are required. In a second step the service verify the email address. And after, every 2h the service monitor the feed and provides update by email when they are available. It’s very handy to read blog post offline on a PDA for instance. The FAQ provides more information.