From online review this product seems to be a very good.
Sony BDV-N590 review from the experts at whathifi.com
Are you getting only the player or the whole set-up? If you are into Htib then I advice to you look for Onkyo, Denon, Yamaha products. Does N590 has HDMI inputs?
Jamo s HCS 426 and Yamaha RX 373 is a very good combo. Try to find Energy RC Micro 5.1 in Singapore. This is also a very good speaker package.
But of you are going for Sony BDV-N590, then verify that if can decode Dolby and DTS from external source via HDMI input. If in future the BD drive stops working then atleast you can use the set otherwise it will useless.
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As per the specifications the internal Amp won't be able to decode Dolby DTS from external HDMI input. you will get either stereo or Dolby Prologic. BTW, I can see that you already have a Philips BDP, so get a Yamaha 373 and Jamo set. But if you are getting it from Singapore, just check INR prices in India, so that you can get a better deal.
Yes, Jamo package is good at this price point. In reliance digital, you will get Jamo package at MRP: Rs. 21,800. Which can be bargained for 19500/-.
There is also Wharfedale MS 100 which I bought @ 27000/- Which is also exceptional.
Here is a review> AV MAX_Wharfedale MS-100 HCP_March 2012-1.pdf
There is Boston Acoustics Soundware XS, Which have rave reviews all over net. Price is 24000/- Boston Acoustic Soundware XS 5.1
But if you are going for Floorstanders then only Jamo is available at that price point. I suggest you to look if you can get Boston Acoustics Soundware XS from Singapore because of the size, the weight will be around 12-13 Kg max.
But in India you can get floorstanders from Polk Audio. Look Here > Profx - Advanced Audio Solutions
You can get a Pair of TSi 300 for 23000/- .