So, you may like

m_spszAccNumber

better? Without understanding the definite meaning of a variable, how can you dare to apply any operation on it?

Turn to linux, and just keep all windows as virtualbox images. Do most coding jobs in linux. This virtual machines are just needed as cross-compiler environments and testing environments. Forget all lumpy gui sweety, resort to linux nifty tools.

[500] ----(what is the gap?)---- [5] If both work well, there must be something behind the cases. If I can't reveal it, I would select the easier and take the harder as a reference. But, somehow it dependents on who am I. If I were an ordinary manager, 500 clearly defined requirements would be easer. If I were an artist, 5 sparkles would be better. From normal distribution, I am most likely an ordinary manager, so I would select the 500 requirements.