[RedTyger]

That'd be a cinch to do, if possibly needing some fiddling. It's really nothing more than a template modification, you wouldn't even need any additional javascript I don't think. You'd just move the existing showhide ^/V arrow code into a tab formation and adjust the code slightly to hide the entire forum section instead of leaving the blue bar showing. The only real problem would be screen space, he only has 4 tabs and it takes up quite a bit of room.

If you want to have a go yourself, if you modify the forumhome_forumbit_levelx_nopost templates and the forumhome template and I think you'd be done. Good luck! Best way to start is to get stuck in way above your head.

If you want this done specifically for you I think you'd have to put up some money as I've got lots of work at the moment, but I'm sure it would could be done quickly and cheaply.