On 2011/09/23 22:11, Skygram so eloquently wrote: > Maxing your ram memory can make a major difference when playing videos of > different kinds. Most MKV files, though demanding, can still be watched on a > Quicksilver. I had a PM G5 2.0GHz Dual CPU with 8GB RAM & 6800 Ultra w/265MB VRAM and both Flash & MKV played poorly. On my iMac (below) they were unwatchable. Tina -- iMac 20" USB 2 1.25GHz G4 2GB RAM GeForceFX5200 Ultra 64MB VRAM 10.4.11 PB G4 15" HR-DLSD 1.67GHz G4 2GB RAM Radeon 9700 128MB VRAM 10.5.8 Mac Pro Mid-2010 2.8 GHz QC 6 GB RAM Radeon HD 5770 1GB VRAM 10.6.8