Add-on what i wanna see


i am looking for add on about user can select their threads group and they can make others invisible on main page

for example ..

Forum about cars and threads on main page like this

about car models
about car motors
about car tires
about car racing
about maps
about sound systems
about modifications
about car videos

user will select just what he interesting about cars like ( car models,car racing ,racing maps threads) and she/he will never see others when login again until make them unselect