If you need a CD Drive, ethernet, and ethernet connected all or most of the time, buy a different computer.
Yeah. This is why the Air holds zero interest for me. Pay more to get less...sure you get a thinner machine.

It sucks that you have to buy an adapter to get functionality that use to be built into older MBPs. Sure wireless is all the rage, but some of us think reliability more important than coolness. Gimme built in 1GBit Ethernet of old.