if you want another good site to buy gold, the one i always use is
i think its the best because of several reasons:
1. tons of games to buy currency for
2. as you spend more there and if u have an account the money you pay gets less ex. i bought 10k gold from there for $13.17 but since i was a bronze member it was $12 and they gave me a bonus thousand gold so 11k gold for $12
3. you get points for their website for each time you spend money
4. you can sell your gold to them as well (never done it before though)
that website is just