Help me about 5.1 the election of the speaker

The 5.1-for-like computer speakers, 1K below.Usual because the game is played, followed by the movies, very few songs, so the 2.0 is not considered.
Good now below 2, who understand the speaker to the Suggestions in detail a little better.
1 Microlab FC 728
2 Connaught three iFi-601
more appropriate if you are also recommended.

how not to buy cool music Edifier 5.1-channel digital simulation of the good.