Posting, as promised, on behalf of miracled:
A thing that has always bothered me about livejournal and similar sites were the bulky square icons all over the site (examples to follow), and other icons that were pixelated and not as professional looking as some generally used sets available today. I'd love to see more crisp, professional, possibly even colorful icons like those available at http://www.pinvoke.com/ (Fugue Set) & http://www.famfamfam.com (Silk Set) used around the site. In fact, someone on my friendslist on LJ even wrote a Stylish code for Livejournal just to change all those, but it'd be great if they were standard for everyone and really gave DW a completely unique look to go with the fact so many features are unique!
Some examples of the icons in question:
If you want to see the sort of changes that I'm referring to in action, here is the original post that inspired the idea: