Acer Aspire P3 is an ultrabook convertible, joins R7 and A1

Is the Acer Aspire P3 a tablet? A laptop? It's both. Acer is calling it an 'ultrabook convertible', but it's basically a Windows 8 tablet with a detachable keyboard dock. And if you're thinking that sounds a bit like the Microsoft Surface, you'd be right.

It's just one of Acer's new toys it's shown off in New York. There's also a laptop with a new hinge, and a tablet designed to be used in one hand.

The idea is the P3 combines the best of a laptop and a tablet. It weighs a little less than an iPad, which is good, as the tablet part usually makes these kinds of hybrid devices top-heavy. It'll give you six hours of battery life, and it comes with a stylus too, for doodling on screen. It's pretty large, with an 11.6-inch screen, and comes with a 60GB or 120GB solid state drive. It'll cost you £600, and goes on sale "immediately", according to Acer.

Next up is the Aspire R7. Now this laptop features a new kind of hinge that lets you flip the screen any way you want. Again, the idea is you use it in normal laptop mode on a desk, but then if you're lying on the sofa you can turn it into a tablet for some couch computing. Or you can just twiddle the screen around to your heart's content.

The R7 has a 15.6-inch screen, up to 12GB of memory, up to 1TB hard drive, or up to 256GB solid state drive. It'll be out in June, and set you back £900.

The Iconia A1, meanwhile, is a diddy 7.9-inch tablet that's designed for use with one hand. A quad-core 1.2GHz processor keeps things nippy, and the screen has a resolution of 1,024x768 pixels. The aspect ratio is 4:3 rather than 16:9 though, so won't be ideal for widescreen movies. It runs Android Jelly Bean, and comes in versions up to 16GB. Two models will be available: Wi-Fi-only (end of May, from £150) and 3G (end of July, from £210).

The Acer Aspire B1 is designed for first-timers, with a simple design, and a 7-inch screen. It's pretty cheap too, starting at just £110 when it goes on sale in mid-June, so could well be a challenger to the Nexus 7. Inside is a 1.2GHz dual-core or quad-core processor, and Android Jelly Bean. The screen resolution is only 1,024x600 pixels though, so don't expect eye-popping visuals.

Finally, the V5 is a slimmed-down laptop, and the V7 is a powerful Ultrabook. The V5 starts at 11.6 inches and goes up to 15.6 inches. The V7 features the same thin design, but with a "silky touch" finish on the bottom. Both go on sale at the end of May, the V5 for £400, the V7 for £500.

Phew. What do you reckon? Let me know in the comments, or on our Facebook page.