Today only, Fry's Electronics offers the Intel Core i7-4790K Haswell 4GHz Quad-Core Desktop Processor, model no. BX80646I74790K, for $279 with free shipping. (MicroCenter charges a buck more for pickup.) That's $61 under our June mention and the lowest total price we could find today, also by $61. It features a base frequency of 4GHz and an 8MB L3 cache.
This flu season, you can do some very simple, cost-effective things that will substantially reduce your risk of getting sick.