I think at least eth0 should be used. You are correct that it's temporary solution as the user should be able to choose which device should be used.

Anyway, i've just installed new instance of Ubuntu Server 12.10 on virtualbox and default IP for eth0 on this configuration is 10.0.2.15 and this would be problem for main LAMP users which are Windows users who are not so familiar with *the linux way of things*