After a series of FCs that severely didn't suit me this expansion, I've actually transfered through every single data server since SB came out, in one cases onto two different realms...

My experience has been that all the datacenters are about the same. But the Crystal folks do have a slight chip on their shoulders... All the "OMG they're just RPers that suck" has led to me finding just a few more people in DF there than elsewhere that feel they need to 'prove something' and bring a little more 'this is serious business' attitude to the groups. It's the only datacenter I left because the FCs I tried were all way more 'hardcore' than they claimed...

But as I said at the outset, the difference is actually extremely small... As I found once I left Crystal.