I use a pair of Mac Pro computers  a pair of 30" calibrated cinema displays, Large Wacom Intuos 5 Touch, 13' x 19" Wacom Intuos 3 tablet, 21" Wacom Cintiq,.
I utilize a 4 TB NAS as well as conventional FTP for file transfers.
Most recent acquisition is a Mac Mini Lion Sever which is being configured now.
Sony Nex-7 with macro lenses, Sigma SD14 with an assortment of lighting and lenses for product shots.