Ok, so now you have the iTMS available, and you see that it’s the first day and you bought around 100 songs. And you think: I need a raise.
Have no phear, I is here, and with a solution. Give your self an allowance. From the iTMS home page, select Monthly Gift, and select the amount you want to spend each month. You’ll need to create a second .Mac account for this controlled shopper, but it works.