Well, contrary to the rumours preceding the event, Microsoft did unveil its Windows 8 tablets yesterday evening. Running late the 11.30pm GMT (3.30pm P) actually started about 15 minutes later, Steve Ballmer revealed the device on stage at Milk Studios in Los Angeles.

There will be two options for the Surface Tablets, one powered by Intel running full Windows 8 called the Surface Pro and one powered by ARM the WindowsRT version, called Surface RT.

Surface RT tablet key specs

Windows RT operating system
Nvidia ARM CPU
9.3mm thick
676 grams/23.85 ounces
10.6-inch ClearType HD Display
31.5 watt hour battery
Ports: microSD, USB 2.0, micro HD video, 2×2 MIMO antennae
Storage options: 32GB and 64GB for Windows RT
Front and rear-facing “HD” cameras

Surface Pro tablet key specs

Windows 8 operating system
Intel third-generation Core i CPU
13.5mm thick
903 grams/31.85 ounces
10.6-inch ClearType “Full HD” Display
42 watt hour battery
Ports: microSDXC, USB 3.0, mini DisplayPort video
Storage options: 64GB and 128GB
Front and rear-facing “HD” cameras

Microsoft says suggested retail pricing will be announced closer to availability and is expected to be competitive with a comparable ARM tablet or Intel Ultrabook-class PC, however the WindowsRT tablet really needs to be better than price competitive with the iPad or adoption rates are going to be limited to the slow-to-move enterprise market.

Check out more information in the Microsoft video below: