Also, you have to design for performance. There are plenty of ways to architect code that lock you out from future optimizations. I agree that small optimizatio

Also, you have to design for performance. There are plenty of ways to architect code that lock you out from future optimizations. I agree that small optimizations such as different referencing techniques should be measured, but you should be able try both out, and "premature optimization is evil" often keeps you from optimizing ever.