Even though the size of the hard disks has marginalized the engraving of DVD, it often remains essential to have a dvd/cd reader to install a software or especially an operating system. Admittedly, one can under OS X and with the MacBook Air make these operations via the network, but one should not in no case to be in a hurry.Lite-On has just launched a product intended for these uses and thus the first goal is to be the cheapest possible.
The eTDU108 can read CDs and DVDs, but will not burn anything. In exchange, it will cost only 39€. The idea is not so absurd when one sees the size of USB keys today. One finds them with very low prices up to 32 GB and they exist up to 128 GB.