Yes, I use two Nvidia high-end GPUs (e.g., GeForce 6800 Ultra and higher) - 118 (4.5%) Yes, I use two Nvidia mainstream GPUs (e.g., GeForce 6600-series) - 31 (1.2%) Yes, I use two ATI high-end GPUs (e.g., Radeon X1800 XL and higher) - 33 (1.3%) Yes, I use two ATI mainstream GPUs (e.g., Radeon X1600 Pro and higher) - 15 (0.6%) Yes, I use low-end multi-GPU configuration - 10 (0.4%) No, I prefer high-end single-GPU configuration - 800 (30.8%) No, I use single-GPU configuration according to my needs - 1384 (53.3%) No, but I plan a dual-GPU setup - 185 (7.1%)