I know this may get a load of cold votes!!
but this is the cheapest online....
shopto had them for £117.99 but pre order all been taken,
amazon and play are both £149.99
not to mention there is an additional 2% off the price.
unsure about p&p charges..
they also have the Street Fighter IV Arcade FightStick (PlayStation 3) for 54.99
shame powerplay dont have quidco.
Most of you are going to complain it's £99.99 for a joystick, but for some people this is HOT..
PS3 Only, the 360 version is £149.99
some details about the stick.
Authentic Japanese-style Sanwa Denshi joystick & buttons
Premium-quality components with genuine arcade layout
Controller lock/unlock switch prevents accidental button presses
3-way switch enables joystick to function as left or right analog stick or D-Pad
Storage compartment for efficient cable management
8-button layout with additional multi-speed Turbo functionality