Black Friday is looming large on the horizon, promising big discounts on TVs, laptops, headphones, speakers, and just about everything else. It's the single best time of the year to shop, with deals on offer from all the leading retailers.

If history is any guide and advertisers are to be believed, the best bargains still are to be had from Black Friday through Cyber Monday, a four-day period known in the retail world as BFCM for short.

We're tracking deals in 18 key tech categories and seeing some of the best prices of the year on PCs, TVs, headphones, smart home, gaming gear, streaming, and much, much more.