Went into to our local Sainsbury's (Winnersh, Berkshire) to see if they had any of the BT cordless phones on the other HUKD thread today. They didn't, it's quite a small store, but they did have this Philips quad pack with answerphone for £49.99. They only had the one, and it was the only cordless phone system they had. So for £50 I thought I'd buy it, and take it back if I didn't want it. So I got to the till, and was a little surprised when it scanned through at £12.50!
Sorry, first post, so can't work out how to post image!
Hope this helps someone :)