Only one real answer to the above for me.... ALL.
10/22s are kind of like Lays Potato chips...you can't just have one.
as for e-mishka's question above about the stock in the picture before... that looks like and ATI stock to me....
back to scope, red dot or Iron .... they all have their place and with a 10/22 you can learn to develop better skills with any of them.