Boston acoustics XS vs S vs A2310 with Onkyo 609

Hello,

does someone there has experiences with the speakers above? 

I am planing to buy a 5.1 set and put it into a room of 30m2. And it has to be a Boston  Acoustics

I like to watch movies and also listen to a music.

I would like to ask you if you could shere here your experiences, your opinions and also advices.

Thanks a lot! 

Regards S.