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Apple unveils iPad Air 2, iPad Mini 3, iMac Retina 5K, new Mac Mini

But Yosemite not want to rush into buying an iPad Mini 3.

Yesterday Apple unveiled a thinner, more powerful iPad Air 2; an iMac 5 with a Retina 5K display (phwoar); a more powerful Mac Mini, now with Fusion drive; and a basically-the-same iPad Mini 3.

You can order them all online now, with major UK network providers announcing overnight they plan to offer the iPad Air 2 and iPad Mini 3 later in October.

iPad Air 2 prices start from £399, iPad Mini 3 prices from £319, iMac Retina 5K prices from £1999, and Mac Mini prices from £399-£799.

iPad Air 2 is 18 per cent thinner and packs the new A8X chip. Graphics are 2.5-times better, the CPU 40 per cent faster and you'll get 10 hours battery life, or so the website says.

This is a 5K image supplied by Apple - how much can your display see? Open the expanded image in a new tab.

In making the tablet thinner, Apple redesigned the Retina display, which apparently resulted in more vivid colours with greater contrast. But above all, a screen coating now makes it much less reflective.

There are new cameras front and back, 8MP, and they can do 120fps slow-mo, timelapse, burst and panoramas.

The Wi-Fi is twice as fast in iPad Air 2, and there's Touch ID so you can pretend you work a high security job.

The iPad Mini 3, on the other hand, has hardly changed at all. The only new things are Touch ID and the option of a gold colour. Everything else is the same: screen, camera, design, specs.

Has the larger iPhone 6 really had that much impact on sales?

A positive effect of the iPad Mini 3 is that the price of the iPad Mini 2 has gone down - down to £239.

Said Digital Foundry's Richard Leadbetter about the new devices:

"Last year's iPads were based on the exact same A7 processor as the iPhone 5S, albeit with clock-speed increases. The A8X is a different beast entirely - from a games perspective, the increase in graphics power is very significant. Performance should be broadly similar to Tegra K1's GPU, meaning last-gen console level visuals are now possible. Unfortunately, there was no real demonstration of the GPU's power from a gaming perspective.

"iPad Air 2 looks like a highly capable piece of kit and an interesting upgrade, but the same can't be said of the new iPad Mini 3. Unless there's been a stealth screen upgrade we've not been told about, Touch ID appears to be the only worthwhile addition. The Mini 3 features the exact same processor as last year's model - which is now $100 cheaper. As it is, the iPhone 6 and 6 Plus are actually more powerful than the new Mini - at the very least Apple should have incorporated the A8 chip into its junior tablet."

Other important bits include OS X Yosemite being released, and Apple Pay - a contactless way of paying by putting an enabled device year a pay point - being rolled out next week in the US.