Originally Posted by
Cusco
Dedweight: I'm not entirely sure that works with the new client. I'm a previous US player and in november 2009 I rerolled EU to be able to guild raid. I never bothered to reinstall the client so I simply changed the realmlist to EU and swapped back to US each time a new patch was released (because I couldn't install EU patches on a US client). After 4.0.1 when Blizzard released the new client, I tried changing my realmlist to US to see that it still worked (although I, of course, no longer had to download any patches that way) and it didn't work, my client wouldn't even open.