Help me to select my new equip

Hello, greetins from Spain.

This is my first topic and I don´t write wery well your lenguage, so excuse me.

I´m looking for a good home cinema equipment and no very expensive for a 20 m2 room and good for stereo music.

What´s your opinnion about thees?

DVD PIONNER 565...........175 €
MARANTZ AVR 4400..........300 €
INFINITY BETA HCS 5.1.....490 €
all....965 €

DVD NAD T512 + AVR NAD T742 + Intro Pack de PSB all for 900€

I accept other suggestion about this components.

Thanks