Arduino Uno Port Expansion, and LATB G66B Query

Hello,
I am starting a new project where I plan to connect about less than 150 LEDs and/or Multi LEDs, such as the LATB G66B LEDs, together. I saw on youtube these LED Matrix boards that you can connect simultaneously by MandoMatrix (http://bit.ly/p0yiGl), and I would like to know if there is something similar for the Arduino Uno which I can connect various arrays of LED Matrix type boards together and run the Arduino Uno with it. If I have to build this LED Matrix board, I will follow instructions. Or if I have to buy a recommended board is also fine. Next I would ask if anyone has used a with the Arduino Uno? And could you share some information about it.
Thanks,

AspireBear