I'm using Socialize to have the box at the bottom of the posts of the blog. The plugin started working not properly: it's waiting for something and it blocks the loading of some part of the theme.
Check it out here:
I was using 1.3.1 so I tried to update to 2.0.4 but no way to solve it.
Another problem is also that even if I try to choose other buttons, Socialize try to load the same old ones: for example now it's set to load only facebook and twitter in the Alert Box options, but instead I see also delicious, google buzz and an empty space (maybe yahoo buzz).