Cars, wearables, gaming, phones, actions cams - we've got it all this week. Headed-up by GoPro's announcement of the Hero4, complete with 4K capture at a usable frame rate. We captured pro cyclist Danny MacAskill on the streets of London to give our first thoughts about the next-generation of devices, which come in three options priced from £100 through to £380.

The BMW M3 has also graced us with its presence this week. No V8 engine to be found in the latest model, which will rile the old skool purists, but after driving it for a week we've come to respect just about everything the car has to offer.

In addition to the Asus Zenfone 5 we've also been giving Samsung's first Android Wear device, the Gear Live, the go-over. It's the best looking Android Wear device yet, but there are still flaws. Read on, one and all...

GoPro Hero4 preview

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Quick review: GoPro has revealed not one but three new action cameras. Ranging from £100 fixed-in-case Hero, to the consumer-grade Hero4 Silver, through to the 4K beast that is the Hero4 Black. We used the two more powerful units to shoot pro biker Danny MacAskill on the streets of London and see whether these new ultra-high definition and slow frame-rate cameras are a giant leap forward compared to their predecessors.

Price: £100 (Hero) | £280 (Silver) | £380 (Black)

Full article: GoPro Hero4 preview: Filming Danny MacAskill with the new Hero4 Black and Hero4 Silver action cameras

Samsung Gear Live review

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Quick review: Of all the current Android Wear smartwatches on the market the Samsung Gear Live has the best design of the bunch. We like the idea of the Moto 360's round face, but some design blips on its behalf see the Samsung take top spot in the design ranks for now. But despite being a good looker, the overall experience is still somewhat glitchy because Android Wear isn't quite clean enough yet to call it perfect.

Pros: Comfortable, well-sized, excellent screen, works with most Android devices, built-in heart rate sensor

Cons: Battery lasts a day at best, not enough watch faces, app access can be awkward, voice-centric control, Android Wear not the vision it could (and hopefully will) be

Price: £169

Full article: Samsung Gear Live review

BMW M3

Quick review: Although the M3 may no longer have an engine that stands out head and shoulders as the car's best aspect, in part that's because the rest of the package has been developed to such a high standard. The way the chassis has been setup to allow the car to flow across Britain's rutted roads, to cosset your family, but also to cover ground at a frightening pace while allowing you to have great fun has never ceased to impress us. Until the new Mercedes AMG C63 arrives next year, the BMW M3 is essentially a car without rivals.

New engine or not, the M3's legendary status is safe for now.

Pros: Special to drive, requires no compromise, flatters drivers, brilliant gearbox, faster and more economical than before, well-equipped

Cons: Engine no longer a centre piece, feels less of an event, drive and chassis setup reverts to comfort on each shut down

Price: from: £54,775 | £66,785 as tested

Full article: BMW M3 review (2014)

Asus Zenfone 5

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Quick review: The Asus Zenfone 5 offers much of the experience of a phone that, until recently, would have cost twice the price. However, its main competitor, the pocket-pleasing Moto G (2014), does make it tough for the Asus to truly stand out. If Asus were to add a better battery, boost the maximum screen brightness then this phone would be a step ahead. But as a first stab at making a mainstream phone, the Asus Zenfone 5 is a fine effort. 

Pros: Generally neat design, good value prospect

Cons: Screen brightness, limited battery, over-saturated camera results

Price: £180 (3G 5-inch model)

Full article: Asus Zenfone 5 review