Cheaper Microsoft Points

I have been looking for a way of getting cheaper Microsoft Points and here is the best I have come up with.

From Live each MP is worth £0.0085 nomatter which package is bought from Marketplace.
If however I got to Game and buy their 2100 points for £17.50 pack then it works out at £0.0083 per MP.

Not much cheaper but that means for every 60 points I buy from Game, I save £0.01. Whitch also means that by buying from Game instead of Live with that pack I get 35 FREE points!!!

Not a lot I know, but it's the best I could come up with.