I finally finished Rubicon!! It was such an interesting book, and I'm hanging onto it to read it again in a year or two! The next book on my list is a biography entitled "Augusts" - on Augusts Ceasar and by the same author of the biography on Cicero that I own, Anthony Everitt.
To anyone that loves or appreciates history, I highly recommend Anthony Everitt. He's an easy read, but he goes into great detail, so you don't feel you're reading a 5th grade history book. I know he's written 2 books on the Roman history, and he also has a book out about Persia. Go check him out, and start (or continue) reading!