Amazon launched the big Prime Deals. Among those we have the up to 40% savings on Sandisk cards (Check them out here). There is also a $260 rebate on the E-M1o kit (Click here).
The full list of deals can be found on those pages at Amazon US, Amazon Germany, Amazon UK, Amazon France, Amazon Italy, Amazon Spain.
Some more US deals:
20% off on Open Box Panasonic compact cameras.
20% discount on Panasonic Open Box MFT cameras.