It won't work on wcs orangebox.

no dont delete the old archieve, much great work will be lost for ever

First it will delete everyone's old posts(meaning you will lose post count) then.
Second its a good idea to have a archive so you can read old stuff or get old races and fix em up etc.

I have to say the post count doesn't really matter that much, but the old archives does in fact have a lot of nifty things that could be put back to use for those who bother coding it back into place =)

are there any wcs race packs for the OB version yet ??

I've got another question, feel free to answer in whisper / message whatever..

How do ppl get the 77 version to work ?? because i can't cus it use EST Tools wich is outdated??

if your thinking about the 0,77 version then you cannot get it to work unless you run an unupdated version of css =) that will work.
but if its updated then sorry m8 then you have to do like the rest of us now.. trying to get the new version to be stable =)