I have the same feeling as yours -- it costs a lot of time and often there is no definite conclusion. Still, I think that it helps if you can control the time you spend on chasing the "right answer." Reading the discussion does broaden one's knowledge, but just don't dwell on one question for too long. Beyond OG, there is this famous 大全; you may check it out from the download section if you have relatively long preparation time. |