For follow-up discussion and general commentary on the topic. Comments are sorted chronologically.
I agree that the dispensational view is not taught in the Bible. To get started on the right road to understanding the letter of revelation you might consider checking out the website revelation revolution and maybe read David Chilton book The days of Vengeance. Remember to let scripture interpret scripture. All the questions you have about revelation can be found in the Old Testament.
It's also important to have a good understanding of the first century climate. Remember the letter of revelation was written to the first century Christians revelation 1:11 and they understood every word which gave them hope in a dangerous time.