OMG!! The itch is here....

I am hungry for a PRADA BAG!! And my boss is going to Europe tmr!
Exch rate is so low now...so should I or should I not???!!
But my birthday is not coming yet.....=(
Can I buy my birthday present in advance??!! heeeeeeeee =P
Which one should I buy??? Dilemma!!! Hopefully it is within my budget!!