Quote from oldtime:
every central bank always fails when they try to devalue. At least USA can print their way down. SNB's only strategy is to buy everything out there. When everthing you buy goes down how does that work out? If they keep that up they'll be broke just like Europe and maybe then they'll finally be pegged.
I agree with Martinghoul - if you have monetary autonomy, and you are genuine about devaluing the currency, it's a simple three-step process:
1. Open file called "local currency.doc"
2. Control + P
3. Sell currency from step 2 and use proceeds to buy the currency that you want to appreciate.