As an alternative to RSS feeds, you can sign up to website alerting services which give you alerts when any of the websites which you have identified change. Sometimes, you can specify to receive alerts only when new material has been added rather than when old material has been removed.
The following services send you emails when any changes have been made to a webpage specified by you. The emails include details of what has changed. You will need to register for a free account.
Examples of such services include: