Balanciaga

I would go with a balenciaga. Because it's a great bag that doesn't go out of style and very it's functional. I ordered mine threw their web site and they have great customer services. hope thats helps, oh ya, they get better even better once broken in :smile:
 
if you say classy i am kind of leaning towards Mulberry a bit more. why don't you try the Alexa or Bayswater?
i love Balenciaga, but i feel (IMO) that it's a bit more 'fun' and rockish chic
 
whats your daily lifestyle like?
i feel that any girl has different needs...
1. you need a classy bag for work clothes/ suits/ evening dress : chanel classic quilted in any color: black i love

2. a throw around bag for weekend and casual clothes: balenciaga city/ givenchy sacca or nightingale for slouchy celine luggage for a little bit of structure

3. a clutch : love this with trench coat which i feel is so overpowering : chanel, balenciaga have good ones... i only have an unused gucci, prada and a studded burberry on its way

4. everyday work clothes not suits: structured: YSL muse 2 / Mulberry bayswater/
slouchy: balenciaga work bag

i will add as i remember more!
good luck on your choice!