Ok so I saw this coming. Torrentfreak: TPB gets massive boost in traffic.
Now they will go ahead with the ban, the methods to get around it are being talked about, this DNS ban will not work.
People are discussing ways to get around this, such as OpenDNS, GoogleDNS, TOR.
Looks like they have added IP address blocking to the injunction, this will stop people simply typing the IP address in (or using their own hosts file) but the above methods will still work.
Unless you manage to actually take TPB off the net all together (may not be possible at all) then there is no real solution to stop people getting there.