OCADland Minotaur

I am having exactly the same problem since the last official version of SL Client. It is also the same problem with the Beta version now out. Not a problem on my Mac PowerBook G4 or G5 tower computers but happens every time I am on SL even with the lowest visual settings. Hardware Overview: Model Name: Mac Pro Model Identifier: MacPro1,1 Processor Name: Dual-Core Intel Xeon Processor Speed: 3 GHz Number Of Processors: 2 Total Number Of Cores: 4 L2 Cache (per processor): 4 MB Memory: 8 GB Bus Speed: 1.33 GHz Boot ROM Version: MP11.005C.B08 SMC Version (system): 1.7f10 Serial Number (system): RM7282SRWS4 ATI Radeon X1900 XT: Chipset Model: ATY,RadeonX1900 Type: Display Bus: PCIe Slot: Slot-1 PCIe Lane Width: x16 VRAM (Total): 512 MB Vendor: ATI (0x1002) Device ID: 0x7249 Revision ID: 0x0000 ROM Revision: 113-A52027-202 EFI Driver Version: 01.00.202 Displays: Cinema HD: Resolution: 2560 x 1600 Depth: 32-Bit Color Core Image: Hardware Accelerated Main Display: Yes Mirror: Off Online: Yes Quartz Extreme: Supported Rotation: Supported hp L2335: Resolution: 1920 x 1200 @ 60 Hz Depth: 32-Bit Color Core Image: Hardware Accelerated Mirror: Off Online: Yes Quartz Extreme: Supported Rotation: Supported