My local Tesco store are selling Freeview boxes with Setanta for £25. They have a fair few left in stock and there are two types to pick - Astratec (twin scart and lead) or Sagem (Single Scart and no lead). Both are same price (or if you are mad you can buy the Sagem without Setanta for the same price).
Not sure if available online but if it is then there is Quidco as well as Clubcard points.
1st post so be kind!