Amarra a worthy investment?

I have been using Amarra since '09 and have been mostly happy with it. I am using the current version, I may have to look into Steve's recommended older version that I surely had at one time. Steve, I assume that you are using the Amarra Symphony? I have the non-Symphony version that used to be called Amarra Mini. I probably need to explore the EQ settings further (I understand from Steve's link in one of his posts above that I would need to buy a spectrum analyzer program & possibly a microphone), I currently use one of the preset EQ settings, and use the cache & playlist modes.
I have not compared Amarra with any other players, but in my system it sounds pretty good. I have been wondering if upgrading from Amarra to Amarra Symphony for the additional eq functions would be worthwhile.

Mikey - I use full Amarra EQ on all systems, even at shows, even on TAD reference speakers. Makes a big difference with ALL speakers. This is actually more important that EQ of the room resonances. Its like replacing your speakers with $50K speakers.

Here are some tips on how to do it with an iPad:

http://www.empiricalaudio.com/computer-audio/recommended-systems

Steve N.
Empirical Audio

Thanks Steve, I'll get on this.

I have Amarra and the latest Audirvana+ with exclusive access and integer mode. In my system, with Mountain Lion, I find that Audirvana+ is a bit less colored, more transparent and offers a bigger window into the soundstage.

I'm using Amarra and Decibel. To be honest, I don't hear a lot of difference between them. Amarra has the interesting EQ functionality that's fun to play around with. I like the clean uncluttered interface of Decibel, so I seem to be using that more. Decibel is also a lot cheaper.