I have a homemade system. Windows 7 64 bit, i7 2600 k, http://ark.intel.com/products/52214/ no overclock, 8 gig corsair vengeance 1600, 60 gig corsair ssd for boot, a samsung f1 hdd. I usualy convert arhitectural pdfs in 300 dpi tiffs, since they come from students and often are not made...