Once: Win a months free train travel and 3 star accom from RailEurope
You need to do a bit of game playing on their site to enter. Up for grabs is a months worth of free intereurope travel first class and 3 star hotel accommodation while your there.
Its sort of a quiz on train travel and the number of correct answers you get determines which of the prizes (1,2 or 3) your eligible for. Other prizes are a portable DVD player and an iPod Touch 16gb.