hi i just bought a new external dvd drive for my laptop, it's slim External Dvd writer model: SE-SO84F/CABS and having some great problems burning files to my sony DVD RWs(5DMW47L2), it always gives me I/O error, now i just real in another topic that these slim external dvd roms are not good, now i don't know which one should i get for my laptop, also i can't buy anything expensive @ the moment, can some one recomand me a cheap external dvd rom for my NOTEBOOK that will work?