Amazon have 10% off selected Sonos products until 1st January, making the S5 white £283.49 delivered. This is the same price as Best Buy when you include the 10% Quidco, but this is guaranteed.
Zone Bridge is cheaper with this offer at Amazon, as is the ZP90.
Starter Pack (S5 + ZB) are the same price.
Use code SONOSTEN for the discount