sudo pacman -S wine winetricks
winetricks atmlib gdiplus msxml3 msxml6 vcrun2005 vcrun2005sp1 vcrun2008 ie6 fontsmooth-rgb gecko
Now that you have all dependencies required to run Photoshop CS6, you can now run the Adobe setup. Either right click Setup.exe, or from the terminal:
cd /home/user/path/to/installer
wine Set-up.exe
Let me try this out and I will tell you how well it works.