There's a rule as to when one shakes and not stirs? I usally ask her which she prefers.
If it has fruit juice (aviation, corpse reviver #2), it gets shaken. If not (martini, Manhattan), it gets stirred. Exception: any drink with pineapple juice (Algonquin) gets stirred, not shaken.
I know the traditional Vesper, but I also think Wondrich has a point in reversing the vodka/gin ratios: