which board works and extra parts best work for my project?

My project needs are to read the value of 3 o 4 pots, store them in at least 4 different ways, switch between thru a bottom and thru midi.

What more than a Arduino board do I need? I think I will get the Uno Rev 3 for the initial project (and to have the possibility of expanding and making other stuff) but is there a simpler board to make future project copy's than the Uno Rev 3?

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You can make your own board if you want with just the components you need look up arduino on a breadboard It is easy to use the atmega328 in a standalone project, basically just the chip(6$), (2) 22pF caps,.1 uF cap, 16mhz crystal and a reset switch and you can make your own arduino board You could also get an arduino mini or nano for a premade smaller device

It's good to know that I can do it with something simpler. I order the Arduino Uno R3 today and it should be here bay the end of the week, so no it's time to start reading on how it works!