Wireless Network
As I am on a completely wireless home network, with about 25 meters separating my office computer from the router in my lounge, I went on a hunt for a Debian Netinstall iso with wireless firmware already added.
Non-Free Wireless Firmware Included
I remember a while back I came across a Squeeze version. Luckily for me, there is also a Wheezy version too!
Debmintux 
The above link isn’t working. Try http://cdimage.debian.org/cdimage/unofficial/non-free/cd-including-firmware/7.1.0/amd64/iso-cd/firmware-7.1.0-amd64-netinst.iso
This one isn’t working either.