Those friendly folks over at Hasslefree have a sale on at the moment where you can buy credit at big discounts -
£70 of HF credit for £50 or £150 of HF credit for £100. You can then spend that credit any time you like on anything from their website, including Twilight.
It really is an excellent deal and a great opportunity to pick up some new Twilight models if you felt so inclined
In other news, there will be some new Twilight releases going up shortly - Arak and the youngsters will finally be available from Hasslefree