1 INTRODUCTION  
2 TELESCOPE AND SURVEY SPECIFICATIONS  
2.1 Flux Sensitivity  
2.2 Survey Specifications  
3 HI GALAXY SIMULATIONS  
4 COSMOLOGICAL PERFORMANCE  
4.1 SKA Assumed Sensitivities  
4.2 Fisher Forecasts  
4.3 Comparison with Previous Results and Future Experiments  
5 CONCLUSIONS