For those of us who are not Linux gurus, this would make a good small application to package for generic consumption at the top level of the tablet menus.

Wake a computer on your home network via LAN after configuring its MAC (or better yet device name!).

Having this rolled up with a VPN client would make it super.

This would allow us to be even GREENER energy-wise as we could just power up our desktops only when required.