Amazon's second-gen smart display still costs $230, but you'll get a much better looking and sounding device. Still, it's not the best option out there.

Amazon upgraded the sound, added seamless smart home hub controls and improved the look of the Amazon Echo Plus, all while keeping the $150 price tag.

There's not much you can't do with a Raspberry Pi board and a bit of coding. But with a few extra accessories, the sky truly is the limit! (Updated October 2018)

Here is a selection of single board computers for homebrew projects and automation, with prices starting at only $5 to several hundred dollars, and ranging in application from small hobby applications to industrial use.

But it's not because of all those extra pixels.

The Cullinan is a machine that needs to exist, but now it's time to find out whether it answers the most important question: Is this the Rolls-Royce of SUVs?