Follow this. It's English, but will be hosted in Europe. Just sit tight there until the beta starts. In mean time, go to to their main site and put your email in to apply for the beta, and if you get in, they'll email you.
The server will be very up to date, and will use latest EU client. It will be the most up to date TERA pserver, and will be 100% retail like. It has a pro dev team.