I have it going and it seems a little faster. I still have the "black ice" bug and the app crahes on me quite a bit. Just as it did in TIger. No difference. I have the latest patches.
Model Name: Mac Pro
Model Identifier: MacPro2,1
Processor Name: Quad-Core Intel Xeon
Processor Speed: 3 GHz
Number Of Processors: 2
Total Number Of Cores: 8
L2 Cache (per processor): 8 MB
Memory: 5 GB
Bus Speed: 1.33 GHz
Boot ROM Version: MP21.007F.B06
SMC Version: 1.15f3
ATI Radeon X1900
Model Name: Mac Pro
Model Identifier: MacPro2,1
Processor Name: Quad-Core Intel Xeon
Processor Speed: 3 GHz
Number Of Processors: 2
Total Number Of Cores: 8
L2 Cache (per processor): 8 MB
Memory: 5 GB
Bus Speed: 1.33 GHz
Boot ROM Version: MP21.007F.B06
SMC Version: 1.15f3
ATI Radeon X1900