I, personally, despise when things follow me on a page and you have your menu following me on the left. I just think it’s icky to have stalking menus. Some people really like this though. One thing about the stalker menus is that on cell phone browsers, it can go horribly wrong, where it will take over the screen and not allow proper page navigation. Also, you already have the menu that scrolls down with you, so why have the side navigation stalker menu?
Also, besides that I like the design, but the titles seem HUGE and there is a bit too much blank space between the read more button and the text/next post.