Multisite Admin Area Issues

I've just copied the HAR files from chrome's development tools:

Here's a link to the drop box txt files:

Way too many failed requests still, and there is no caching turned on at all. Although it seems like wordpress is still caching too which might be causing the failed requests.

Thinking it might be a theme issue. Assuming that it is, if so, can you guys point me in the direction of someone who can just make this thing work out of the box right?