Here’s an article from WPMU DEV Blog written by Jenni McKinnon which I thought you might find of interest.

I’m a WordPress nerd and as a WordPress nerd, I hate seeing error pages on my site. It means I broke something, but at least I can fix it – visitors can’t and neither can yours, and that’s way worse than any error. That’s why creating your own custom error pages, including 404 pages, can help […]

To read more head to http://feedproxy.google.com/~r/Wpmu-Wordpress-Mu-PluginsThemesAndNews/~3/JX85tqC8l20/

Till next time,
D