Details have emerged of what we can expect from RIM’s first BlackBerry 10 devices, after an internal document naming the BlackBerry L-series and BlackBerry N-series was leaked.

The BlackBerry L-series refers to the new operating system's touchscreen devices, while the N-Series will sport RIM’s trademark Qwerty keyboard. 

The document also states that the BlackBerry L-series will have a 768x1280 screen resolution, will measure 55mm wide and have a 356 PPI. In contrast, the N-series, as well as a physical keyboard will have a 720x720 screen resolution, be between 52-53mm wide and have a 330 PPI.

If the specs prove true, the BlackBerry L-series screen will have a higher pixel density than either the iPhone 4S or the Samsung Galaxy S III. Pocket-lint has already been wooed by the BlackBerry 10’s screen having played with a Dev Alpha device at BlackBerry World in May

RIM recently said that the first BlackBerry 10 device would be a touchscreen only device, but that Qwerty keyboards would be following.

Would you go touch or Qwerty with BlackBerry 10? Let us know in the comments below.