The best information for every currency is probably available at Seeking Alpha. Here the CHF info and the corresponding ETF.
Blog on the Swiss franc, Financial Times Alphaville on CHF (registration required).
The official Swiss bankers’ blog. One example for a post, in which they argue for an overvaluation of the Swiss franc via the Big Mac Index , a completely invalid argument because Switzerland subsidizes its agriculture. See our February paper about how to calculate if and how much the Swissie is really overvalued. It seems that Swiss bankers are sleeping.
Bruce Kasting on strict border and capital controls when the euro breaks up.
Roubini Global Economics on Switzerland.
A news aggregator on Swiss Franc.
Zerohedge tags on the SNB.