My opinion of 'priorities' is slightly different.
In my opinion, there's a few things I look for in an article:
-Proper understandable english
I consider having tons of information USELESS if it is too messy to read.
@Concerning wiki code/html: Wikicode is good for many things, particularly headers (==My Header==, with more ='s for smaller headers) as well as internal links ([[my_link]]). HOWEVER, it doesn't allow for advanced styling, which should be done in HTML. I did notice some HTML on the main page using a div tag with a style attribute, which is my favorite styling method (well, second favorite, after individual CSS/HTML pages).
The wikia could also REALLY use a cleanup at the sidebar on the left, where the main navigation links are. I'm used to using THESE for navigation, NOT
a bunch of links on the main page...
There's also some general bad web design techniques scattered throughout the wikia that not only make it more difficult to navigate, but can look bad and add a negative appeal to the wikia.
We want more people on the wiki? It needs better quality.
I am not an expert in wikia code, nor pretend to be, but I do have some
degree of experience with it and have spent a good amount of time on other wikias and have admired their quality. In particular, one I found that was very good looking is the runescape wikia, where I've spent the most time.