my mircosoft lx 3000 is starting to give up (crackley mic when i move it up or down, the leather bits around the ear phones is coming off) so i was thiking of geting a Plantronics GameCom 367/377 but i dont know if the lx3000 is a closed or open cup, any one know, or can any one recomend me a headset thats cost's £20/30 ?