Is there in the feauture going to be Chess960? I think that would be very good and fun! It brings more variety to this website, and more people will join. 

that would be a lot of code to write...

I think we will get it one day but I wouldnt wait for it.

why? Don't those codes allready exist? And how is it so hard?

Well I guess the difficult part would be coding the 'randomisation' of the pieces at the beginning; other than that the rules are exactly the same. That said, there's an open source java implementation of Boedlander's method of randomising the initial position within the constraints of the rules (that castling is possible and that the bishops are on different colours) here:

http://home.planet.nl/~thale/Java/Classes/chess960/chess960.html

So I don't think it would be all that difficult for someone who knows what they're doing to put into practise here.

no I don't think so either, and it would be really nice if it could be implemented here.

Actually, if there are only 960 positions, it would be pretty easy to just create a list and have the computer randomly choose one of the 960 positions. Making the computer generate a random position based on the rules is very inefficient.

Fischerandom would be great; this variant is available in at least two other sites I'm registered in.  This is a good development if it's actually in the works...