Going to be pricing out and building two matching desktops for an architect. These will be used for Microsoft Office, a little online browsing, Acrobat Professional, and AutoCAD. Most of the work in AutoCAD will be done in 2D, but some in 3D as well. He doesn't really run any other design programs. Price range: $2,000-$3,000 ea (flexible) Current Build: i5 680 GA-P55-UD4P Mushkin Silverline 8GB (2x4GB) DDR3-1333 Corsair TX750W Corsair Obsidian 700D WD Caviar Black FAEX 1TB SATA 6GB/s Mushkin Callisto Deluxe 120GB ASUS SATA DVD Burner ATi FireGL V7700 CM Hyper 212 Plus Windows 7 Home Premium 64-bit Office Business 2010 Acrobat Professional 9 If anybody has any experience running AutoCAD in 2D or 3D, your input will be GREATLY appreciated.