Firstly to say that the ATCS is not a great gaming case as it does not have a window. Although that sounds dim, we gamers love looking at our expensive systems, especially when you add some cold cathode lights into the sniper.
I did not care about the mesh addition as I wanted a great window. However I could not find a retailer in the UK that sells it, so I imported it from Germany at this awesome site:
Postage was cheap too, however I am based in Ireland, so the Euro could knock the value up for you if you are in Blighty.
I look a lot of time with the wires and managed to get a very clean system, with all the wires around the back. Did not find this such a chore as you may seem.
Also I added a 140mm fan to the bottom, but due to my Coolermaster 1000W power supply there is not a lot of room for the cables, therefore I would recommend getting a 120mm fan here. The reason: Well you don't have a side window and if you want to mimick the ATCS then this is a great idea to bring in air for your graphics card from the amble room at the bottom.
I am a big gamer and have had my rig running over 2 weeks now and no problems on low fans. My firstname.lastname@example.org is never over 50C, although it does have a prolimatech megahalems on it, coupled with a noiseblocker MF12-P. That truly is the ultimate cooling for air cooled systems.
Finally I would just like to add that I lover my Window version of the Black edition, so make sure you think about add lighting to show off your rig!