Slowly but surely building a system

Hello,

I've recently started building myself what I hope will be a decent system and was thinking about getting a network streamer since most of my music is stored on a computer.

At the moment, all I have is a Yamaha AS700 linked to a set of Q-Acoustics 2050i. The amp is currently plugged to an Aiport Express basestation whose Airplay function suddently stopped working yesterday night...

Rather than buying a new airport express, I was wondering if buying a network streamer would not make more sense: it is Airplay enabled nd I assume it would enhance the sound quality of the music stored on the computer?

I had the Pioneer N50 in mind since it would be a good estheatic match to the AS 700 and is Airplay enabled and did win the WhtHiFi award for 2012 in his category. Do you think this would be a good addition to my amp?

Thanks a million in advance!