It is better to have in the list of top 5 voters. It is ideal condition that you vote about 30 min of blog posting and should be in the list of first 5 voter. If this condition cant met then better to have make position in top 5 curator.It is good to earn something than earn almost nothing. i try to show this with the following image ( It is not accurately 100 % right , but very near to the real ) .You see that maximum of curation award is shared by top 5 voters , then the reward decreases exponentially.