If you´re looking for some new sim racing gadgets, you might want to check out Shark Production’s portfolio of products. Products of the French company include a button box for 165€, a button box with LCD screen to display motec data for 465€ and more.
Also available is a button-addon plate for the Logitech G25 as well as analogue gauges. Or how about a full cockpit including everything? Check out their site to find out more.