The XV8 is rumored to have a new clampack coming soon with along with a new Tau Codex. Today the XV8 is listed as "No Longer Available" in the UK, but is still available in the US. It's possible stocks are just going to be winding down US as they sell remainging models and the model getting replaced. Of course we have seen over and over that sometimes things are just mislabeled for now, so take your pick on the meaning.
For now though, we still have solid rumors of Tau being in the line up in the not too far distance.
Here is a link to the UK site
and here also is a pic of the US one showing it still available.
BTW.... back from Nova, and things will pick up again as we start digging into all the news and rumors that are coming.