I've been using Dyson's new ultra-light vacuum for two weeks – these are the pros and cons so far

The Dyson PencilVac is the most unusual looking vacuum I've seen. It's also one of the most genuinely innovative. The USP here is that all the insides have been shrunk down so they fit entirely within the handle – which itself is just 1.5 inches / under 4cm in diameter. This makes it ultra-compact and very lightweight.

It also boasts an odd-looking floorhead, with four cone-shaped, entirely soft rollers. The tapering shape of the rollers is designed to be better at tackling long hair – the strands should make their way towards the narrow end, where they can drop off in a clump, ready to be vacuumed up.

There are plenty of cool-sounding features here, but what's it like to actually use? How does it compare to the rest of the best Dyson vacuums on the market? I've been testing one out at home for ...