Raleigh tundra forks?

just wanted to know if anyone has had any experience with a raleigh tundra mtb, i purchased one second hand with the intention of doing some light trails. Im ineed of some new forks as the standard so called comfort shocks are so hard and have no adjustability,any advice , i dont want to spend more than 70 pound on forks , also want to change the rear mech ,any advice would be much aprecciated .