The colors are great, there just needs to be a change in font color because of the contrasting background. There really isn't a need for two nav bars like that. I'm guessing one is for your cats that you've created, which is fine. If you are going to keep the top one then make sure the font color in the link when the dark bubble is on top of it is white instead of the dark blue the whole time; not just when you hover over it. The white font for your h2 doesn't make the text stand out behind that gray background enough. Push it out there with a darker color or make it an image with a stroke. Its important that people see it.
- keep the side bar the same size, looks fine and will look even better when you fill it with more content.
- you start strong at the top of the page and then change to a serif for your post titles. I'd play around with a thick large arial. Again, your titles are what the user sees first and are very important.
- designing for 1024 is a good idea, considering 48% of all users are still at 1024. But to keep the big resolution junkies pleased you might want to wrap your work with another element and repeat a nice patter across the top that fades back into the dark grey. It can trick the eye into thinking its not seeing negative or "white" space and help the design.
- I'd thinking about reducing the "read on" link or choose to paraphrase your work with short descriptions instead, which can be done by changing the loop function. They are just a bit too long.
- Also, since you're already using JavaScript, look into something, maybe something in JQuery, that can slide through your titles automagically while the reader is checking out the website, but don't get rid of the reader being able to scroll left and right on their own.
That's all I've got without viewing the source. Looks good though. Take the theme and make it original though.
Good Luck to you.