I cant decide which one i should get either the jabra jx10 (black) or the planatronics 640! can some 1 help me out here lol. which one is better? and whick has the best features? i am just confused on which one i should get.. right now i have the black h700 by motorola and im just sick of it. its garbage! which 1 would be the best for the pearl (8100) sorry forgot to mention that!