Two same blogs on different sites?

OK, I don't like blogger.com so much. It's very user-unfriendly. I can't find any other blogs of other people I might be interested in. So, I've decided to continue my blog on wordpress.com. It's much friendlier to use and more entertaining. I just don't know if I should run both blogs, at the same time, with the same information and posts? or to delete this one. difficult... let me think about it...