Continuing their direct attack on Apple tablet, Microsoft once again released a new video advertisement comparing Apple iPad with Microsoft Windows 8 tablet poking fun at limitations of the Apple tablet multitasking, SD card support and zoom. The humorous video pokes fun at these limitations using Siri voiceover, making it more enjoyable to watch.

Don't forget to enjoy the video posted below by clicking the Read More link.

BlackBerry PlayBook features some very impressive hardware and software capabilities under it's sleeves as evident from the specifications released earlier, a hands-on video demonstration fo BlackBerry PlayBook by RIM CEO is now available and posted after the jump.

Powered by an powerful Dual-core 1 GHz processor and sleek BlackBerry Tablet OS supporting POSIX OS, SMP, Open GL, BlackBerry® 6, WebKit, Adobe Flash, Java® and Adobe Mobile AIR technologies the BlackBerry PlayBook Tablet Computer has now been revealed on an hands-on video, after watching the video and jaw dropping spec sheet we can be pretty sure this is going to be some serious competition for Apple iPad, Windows 7 and Android Tablets.

Success of Apple iPad has sparked a new era of multi-touch enabled portable computing devices, with iOS, Windows 7 and Google Android already fighting for share in the niche Ubuntu is all set to enter the space with uTouch - a multi-touch friendly stack for Ubuntu Unity Shell enabling usage of touchscreen devices with the popular free Linux operating-system.

As expected Samsung Galaxy Tab is now finally revealed with full details and a new TV commercial, all specifications with the new video are available at the end of the post.

After success of Apple iPad, tablet computing is a hot-trend these-days and to benefit from it Samsung will be launching it's own Android 2.2 powered tablet device "Samsung Galaxy Tab" soon, the official teaser video and feature-list is available after the jump.

Want to make an decision whether to buy Apple iPad or an versatile Windows 7 based tablet?, the video comparison between the two could be the answer.

Apple iPad is soon going to be available in retail markets, but after Microsoft's demonstration of quite promising rival booklet Courier, HP has now given another reason for customers to wait before buying Apple iPad by demoing their upcoming feature-rich, full touchscreen tablet computer with Adobe Flash support dubbed - HP Slate.