Debate; Literary Agent vs. Self Publishing

I am researching Literary Agents and as per my last post, will wait a few weeks to contact.  Online Self-Publishing also holds a certain charm in my opinion.  You will be able to make all money that the book sale produces minus fees charged by websites.  I have stayed away from Self-Publishing in the past because it costs so much to produce physical books, but the idea of having my digital book available for download is pretty tempting.  There are so many sites to choose from that my head is spinning!  My lack of experience as a writer is certainly a disadvantage in the publishing world, many publishers will not consider you unless you know someone who knows someone, etc.  I feel that it is a hard business to enter into, but that WILL not stop me :)  It is too important to me to get my books completed and "out there".  Now I just have to decide exactly where "out there" truly is...