Ms Finance or CFA (or both?)

Hi all,

I'm working since 2y in Luxembourg, now in a Big4 (pricing of derivatives with strong skills on structured products), before in the back office of 2 first tier banks (1 intership in the first one and then 10 months in the second one).
I'm 25 and i hold a bachelor in finance (between 2.1 and 2.2..)

Don't missunderstand me, I like me job but I would like to jump in the front office side, possibly in IB.. And I would like to move (UK, Singapore, US..).
My big doubt is how:
- Apply for a ms finance for sept 2014 (I was thinking: WBS, Imperial, Oxford/Cambridge, Cass, Erasmus) but the question is: can they give me a better job?
Also, which one could give me more international opportunities?

- Enroll for the CFA

- Try to do both (first the gmat, I would need another 2wks time and then go for the cfa lev1 in dec..).

Any advise??