greatmagazines.co.uk have a selection of discounts for christmas, including these (annual sub cost in brackets)
FHM UK - £20 off (£24.62)
Empire UK - 25% off (£35.09)
Q - 25% off (£34.22)
Kerrang - £39 off (£72.21)
and many others including Zoo, Max Power, Rail, Total Angler, Your Horse.
You will get £6 Quidco (as long as it tracks) making these pretty cheap.