If you are looking for AAC software to add to an existing Tablet PC and need want a combination of some icon based grids with pre-stored sentences PLUS an onscreen keyboard with word prediction and abbreivation-expansion, the Boardmaker software combined with Speaking dynamically Pro is a good choice.

It is also one of the few software programs that is available for both Windows and Mac.

http://uk.mayer-johnson.com/produc...


This system is popular in schools so you can download extra grids already made up designed specifically for children.