As was said before, the Evans Cycles deal before Xmas was a bit of a fluke.
Most retailers have only just got stock of the new models after the initial low number before Xmas. As such, they are selling themselves, so don't need discounting.
The only way you are going to get money off them is if you have a discount from a shop somewhere, but it won't be much. For example, some of the large cycling retailers give you a discount based on how often you shop with them, along with money off vouchers if you spent so much during a certain month. Its also possible to get a small discount through some ski/snowboard shops who stock them by being a member of a national club, however, some may have exclusions on products like cameras though.
Ultimately what I'm trying to point out is that you aren't going to find much discount anywhere.