The Area 51 website is nice, but I think that a new layout would be better.
First, the current layout isn't adapted for mobile, and this is a requirement, for me.
In my opinion, the website is a little bit old, and I think that a fresh new look will be very nice. Maybe beside Area 52. Do you have any info on Area 52? Do they will change the design?
The design is nice, but we may need something thats looks more responsive, with aliens, why not?
This is not about the design, but about the layout. Check the home page, why not make something similar with other StackExchange webiste?