Since installing 10.1 I haven't had any crashes so far at all. Being playing hours straight. Perhaps I'm just lucky and there's a crash waiting just around the corner. My rig is: 1 Ati Radeon HD 5870 1GB, GDDR5, 256-bit, PCI-E, Dual DVI/HDMI/DP 1 Windows 7 Ultimate 64-bit FI DVD, OEM 1 Blu-Ray Combo, BC-08B1ST, Black, Bulk 1 Rampage II Extreme LGA1366, X58, DDR3. SLI & Cross 1 HAF 932 ATX-case, Black 1 6GB (3x2GB) Dominator GT i7 DDR3 1866 MHz (PC3-15000) 2 160GB X25-M G2 SSD, MLC, 2.5", SATA II, 34nm (RAID-0) 1 1200W ATX-PSU (PFC,80+,140+80FAN) 1 Core i7 950 3,06 GHZ, LGA1366, 8MB, Boxed 1 CPU Cooler NH-U12P SE2, LGA775/1156/1366 Mildly OCed to 3.7 GHz.