Though definitely on the pricey side, Etymotics ER4 XR's deliver the musical goods, and the flanged tips are more comfortable in the ear than the standard memory foam types.
Most 2013 and later iMacs ship with proprietary PCIe SSDs, many of which are old, slow, and small. Upgrading to an SSD not made by Apple, including common M.2 types, will save you tons of money while improving performance. In many cases, drastically.
Hisense's H8F has upped its game with array backlighting, more vivid color, and true HDR pop.
Seagate's IronWolf 110 SSD is designed for NAS, but can also be used in PCs. Thanks to very good performance, a high durability rating, and surprisingly low premium, you might just want to do that. Being available in capacities up to 3.82 TB doesn't hurt either.
Samsung has tweaked the firmware of its 970 EVO m.2 NVMe drive, and the result is the faster, cheaper 970 EVO Plus.
The SecureData BT SSD uses your phone for administration and unlocking. It's also handsome and a good performer.
Cyberlink's PowerDVD series just keeps getting better, with PowerDVD 19 adding 8K video playback to its bag of tricks. Don't have an 8K display? The new 4K True Theater color, lighting, and HDR are worth a look.
WiSA is a wireless audio standard that promises hassle-free setup for up to 7.1-channel surround with latency as low as 2.6 millisecond, lag that's barely perceptible to humans.
Focused precisely on task, this reliable drive imaging/backup program is as steady as they come and provides system recovery capabilities for both Windows PCs and Macs (Intel/HFS-only).
WD's Blue SN500 NVMe SSD is available only up to 500GB, but it's hard to beat if that capacity meets your needs.
Cobian Backup is an old hand at file backup. The interface isn't fancy, but there's nothing better for the task—or cheaper.
Seagate's Backup Plus Ultra Touch is an attractive, thin and light USB 3.0 hard drive that performs well, and won't break the bank.
Z-Edge's T4 offers a quality of construction you don't normally see in a low-ball market. Throw in a 4-inch touchscreen and great captures, and you've got one heck of a dash cam--as long as you don't need GPS.
G-Technolgy's G-Drive mobile USB-C uses the latest connector, and performs well (mostly) for an external 2.5-inch hard drive. Style-wise, it's a nice match for Macs, though it's a bit pricey.
SATA SSDs are old hat. NVMe is where it's at, with 4X or more throughput and 10X faster seeks. Your next PC should have it, or you should add it to your present one.