LCD/TFT notice board

I want to build an electronic notice board which basically will read data from a memory and display it onto an LCD/TFT screen. What kind of processor should I use with the screen and also how to begin inerfacing it with the LCD in the minimum cost.


Thanks

Jatin

Notebook computer (such as Acer "Aspire One" US$250 or less) with VGA output, connected to LCD screen which has a VGA input.