Need your suggestion on 5.1 Sound system

Hi All!!!!
I am newbie to this forum. Here it goes..Help me with the following models. I am bit confused which to choose on

Zebronics ZEB-SWT9100RUCF 5.1 Multimedia Speakers: Flipkart.com

Zebronics ZEB-SWT9200RUCF 5.1 Multimedia Speakers: Flipkart.com

Philips DSP 75U 5.1 Multimedia Speakers: Flipkart.com

The 2 zebronics models are available for 4.7k (25% off!!!) in india and 3rd model (philips) cost around 6.2k , which should i opt for????