>>>>I ran the Windows network diagnostic and its saying Ethernet doesn't have a valid IP configuration.
>>>
>>>Just curious (not trying to be a wise guy, just curious), why not just go with wireless?
>>
>>Speed would be one obvious answer ? (But I see that that's not Nick's reason)
>
>In my case wireless is faster. The ethernet connections are usually through powerline adapters which are about 2 or 3mbs I think. The ethernet plugged straight into the router is faster but I don't think much faster than the wireless connection.

Presumably you (and Kevin) are referring to Internet speeds. On your own LAN you should be getting 1.0Gbps on Ethernet compared with about 24Mbps on wireless (depending on your router/wireless capabilities...)