ive had my black macbook for about 2 years now and never had problems with it at all.... still connecting thru airport express but i noticed that my reception is terrible unless im really close to it..... but im starting to think its my laptop cause like i am now i have 3 bars or reception it will go from 3 to nothing all the time...... unless i tilt it and i get reception again untill i put it back down to use it..... dont know exactly what to do but it just recently started and hasent went away...... anythings i can try like maybe check out the built-in wireless card maybe has dust all over it really not a clue but maybe....... let me know guys