Research in Motion announced this morning that they have acquired mobile UI (user interface) company TAT (The Astonishing Tribe) who will bring their talents in mobile interface design to the BlackBerry PlayBook and BlackBerry smartphones.

For those who don’t know, TAT is renowned for their innovative mobile user interface (UI) designs and has a long history of working with mobile and embedded technology. TAT focuses on delivering great user experiences, from a design, technology, and usability perspective. Their design technology is used today in a variety of industries including the consumerelectronics and automotive sectors.

To check out some of TAT’s work, head over to http://www.tat.se/ but they are probably best known for the UI on the original Android device, the T-Mobile G1…