Synology's DS119j $100 NAS is the least expensive NAS you can buy.
Updated - ASUSTOR's AS4004T is a good value in a four-bay Gigabit port NAS with a bonus 10GbE port.
Thecus' N4350 is an entry-level four-bay SOHO NAS with little to recommend it.
Synology's DS218j and DS218play bring good value and performance to two-bay NAS buyers.
Thecus' N2350 is a two-bay SOHO NAS with decent performance that won't empty your wallet.
Drobo's new 5N2 five bay NAS is a good option for folks who want the most flexible way to grow their NAS storage.
Synology's DS416 and DS416j are both good values in four-bay RAID 5 NASes.
Linksys' WRT3200ACM AC3200 MU-MIMO Gigabit Wi-Fi Router is another example of a router with technology waiting for devices to catch up with it.
Arris' SBX-AC1200P SURFboard Wireless Network Extender with RipCurrent is a nice little powerline-connected Wi-Fi extender, but trapped in a G.hn world.
Arris's SBX-1000P SURFboard Wired Network Extender with RipCurrent doesn't put a best foot forward for G.hn powerline technology.